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单词 carboniferous
释义

Collins Concise English Dictionary © HarperCollins Publishers::
carboniferous /ˌkɑːbəˈnɪfərəs/ adj
  1. yielding coal or carbon
WordReference Random House Unabridged Dictionary of American English © 2024
Car•bon•if•er•ous  (kär′bə nifər əs),USA pronunciation [Geol.]
adj. 
  1. Geologynoting or pertaining to a period of the Paleozoic Era, including the Pennsylvanian and Mississippian periods as epochs, occurring from 345 million to 280 million years ago. See table under geologic time. 
  2. Geology(l.c.) producing carbon or coal.

n. 
  1. Geologythe Carboniferous Period or System.
  • Latin carbōn- (stem of carbō) coal + -i- + -ferous
  • 1790–1800

Collins Concise English Dictionary © HarperCollins Publishers::
Carboniferous /ˌkɑːbəˈnɪfərəs/ adj
  1. of, denoting, or formed in the fifth period of the Palaeozoic era, between the Devonian and Permian periods, lasting for nearly 64 million years during which coal measures were formed
n
  1. the Carboniferousthe Carboniferous period or rock system
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