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mississippian

 - 3 dictionary results

Mis⋅sis⋅sip⋅pi⋅an

  [mis-uh-sip-ee-uhn]
Use mississippian in a Sentence
–adjective
1. of or pertaining to the state of Mississippi or the Mississippi River.
2. Geology. noting 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.
–noun
3. a native or inhabitant of Mississippi.
4. Geology. the Mississippian Period or System: the former is sometimes considered an epoch of the Carboniferous Period.
Origin:
1765–75, Americanism; Mississippi + -an
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To mississippian
Mis·sis·sip·pi·an   (mĭs'ĭ-sĭp'ē-ən)   
adj.  

  1. Of or relating to the state or residents of Mississippi or the Mississippi River.

  2. Of or belonging to the geologic time, system of rocks, or sedimentary deposits of the fifth period of the Paleozoic Era, characterized by the submergence of extensive land areas under shallow seas. See Table at geologic time.

n.  

  1. A native or resident of Mississippi.

  2. The Mississippian Period. Also called Lower Carboniferous.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
Mississippian   (mĭs'ĭ-sĭp'ē-ən)  Pronunciation Key 
The fifth period of the Paleozoic Era, from about 360 to 320 million years ago. During this time shallow seas spread over former land areas and the first primitive conifers appeared. See Chart at geologic time.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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