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WordReference Random House Unabridged Dictionary of American English © 2024Mis•sis•sip•pi•an (mis′ə sip′ē ən),USA pronunciation adj. - Place Namesof or pertaining to the state of Mississippi or the Mississippi River.
- Geologynoting or pertaining to a period of the Paleozoic Era, occurring from about 345 million to 310 million years ago and characterized as the age of amphibians. See table under geologic time.
n. - Place Names, Archaeologya native or inhabitant of Mississippi.
- Geologythe Mississippian Period or System: the former is sometimes considered an epoch of the Carboniferous Period.
- Mississippi + -an 1765–75, American.
Collins Concise English Dictionary © HarperCollins Publishers:: Mississippian /ˌmɪsɪˈsɪpɪən/ adj - of or relating to the state of Mississippi or the Mississippi River
- (in North America) of, denoting, or formed in the lower of two subdivisions of the Carboniferous period, which lasted for 30 million years
See also Pennsylvanian
n - an inhabitant or native of the state of Mississippi
- the Mississippian ⇒ the Mississippian period or rock system equivalent to the lower Carboniferous of Europe
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