from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, belonging to, or designating the latest era of geologic time, which includes the Tertiary Period and the Quaternary Period and is characterized by the formation of modern continents, glaciation, and the diversification of mammals, birds, and plants. See Table at geologic time.
- n. The Cenozoic Era.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of a geologic era within the Phanerozoic eon comprising the Paleogene and Neogene periods from about 65 million years ago to the present, when the continents moved to their current position and modern plants and animals evolved.
- n. Cenozoic era
from the GNU version of the Collaborative International Dictionary of English
- adj. Belonging to the most recent division of geological time, including the tertiary, or Age of mammals, and the Quaternary, or Age of man. [Written also cænozoic, cainozoic, kainozoic.] See geology.
from The Century Dictionary and Cyclopedia
- See Cænozoic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or relating to or denoting the Cenozoic era
- n. approximately the last 63 million years
Greek kainos, new; see ken- in Indo-European roots + -zoic.(American Heritage® Dictionary of the English Language, Fourth Edition)
ceno- + -zoic, from the Ancient Greek: καινός (kainós, "new") with ζῷον (zōon, "beast"). (Wiktionary)