Every word is available to listen to. Dictionary details are shown only when verified; these are not licensed Oxford entries.
adeterminerUS /ə/
used before a singular noun to mean one of a group, when it is not a particular one
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
America
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
andconjunctionUS /ənd/
used to join words or parts of a sentence that go together
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
Appalachians
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From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
Arkansas
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
asconjunctionUS /æz/
at the same time that; because; in the way that
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
atprepositionUS /æt/
in or near a particular place or position
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
beenauxiliary verbUS /bɪn/
the past participle of “be”
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
beforeprepositionUS /bɪˈfɔːr/
earlier than; in front of
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
century
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
Chihuahua
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
Clark
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
Colorado
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Columbia
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
concerns
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
conclusion
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
cost
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
decades
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
distribution
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
down-stream
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
emigrants
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
evennounUS /even/
an important story-specific word used in this passage
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
explored
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
firstnounUS /first/
an important story-specific word used in this passage
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
followed
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
forprepositionUS /fɔːr/
intended to be given to, or used by, somebody
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
fully
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Grande
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
greatnounUS /great/
an important story-specific word used in this passage
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
greater
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
havingauxiliary verbUS /ˈhævɪŋ/
the -ing form of “have”
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
head
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
himpronounUS /hɪm/
the male already mentioned, as the object of a verb or preposition
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
InprepositionUS /ɪn/
inside something, or within a place, period, or state
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
itpronounUS /ɪt/
a thing, animal, or idea already mentioned
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
itsdeterminerUS /ɪts/
belonging to the thing or animal already mentioned
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
journeynounUS /ˈjourney/
a story-specific word describing an important person, object, action, or idea in this passage
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
known
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
lastnounUS /last/
an important story-specific word used in this passage
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
leastnounUS /least/
an important story-specific word used in this passage
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
Lewis
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
Lieutenant
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
longnounUS /long/
an important story-specific word used in this passage
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
lower
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
many
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Mississippi
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Missouri
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
mistook
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
mouths
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
movements
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
new-American
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
ofprepositionUS /ʌv/
belonging to, or connected with, somebody or something
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Ohio
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
OREGON
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
ourdeterminerUS /ˈaʊər/
belonging to the speaker and others
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
overprepositionUS /ˈoʊvər/
above and across; more than
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
past
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
perhaps
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Pike
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
population
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
practical
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
reached
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
reaches
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
Red
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Rio
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
River
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
rivers
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Sacramento
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
samenounUS /same/
an important story-specific word used in this passage
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
search
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
sources
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
spent
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
streams
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
thatconjunctionUS /ðæt/
used to introduce what somebody said, thought, or felt
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
THEdeterminerUS /ðə/
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
theirdeterminerUS /ðer/
belonging to the people or things already mentioned
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
thesedeterminerUS /ðiːz/
the plural of “this”: the people or things near, or just mentioned
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
theypronounUS /ðeɪ/
the people, animals, or things already mentioned, as the subject
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
toparticleUS /tuː/
used before the base form of a verb to make the infinitive
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
tortuous
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
TRAIL
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
tributaries
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The journey over the Appalachians, and the down-stream movements that followed the Mississippi and its greater tributaries, were the first concerns of our new-American emigrants.
two
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
untilprepositionUS /ənˈtɪl/
up to a particular time
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
up
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lewis and Clark followed up the tortuous Missouri until they reached at least a practical conclusion as to its sources.
upper
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
utilized
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
walk
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Lieutenant Pike mistook the upper Rio Grande for the head of the Red River, and it cost him a long walk to Chihuahua.
waters
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The lower reaches of the great Western rivers having been utilized, the first two decades of the century last past were spent in the search for the head waters of these same streams.
wereauxiliary verbUS /wɜːr/
the past form of “be” used with you, we, they, or a plural noun
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
Western
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE OREGON TRAIL In the distribution of the population of Western America, the mouths of many great Western rivers, the Mississippi, the Missouri, the Columbia, the Colorado, the Red, the Sacramento, the Arkansas, perhaps even the Ohio, were known before their sources were fully explored.
