from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The evolutionary formation of new biological species, usually by the division of a single species into two or more genetically distinct ones.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The process by which new distinct species evolve.
- n. The formation of different (inorganic) species, for example in a gas.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the evolution of a biological species
speci(es) + -ation.(American Heritage® Dictionary of the English Language, Fourth Edition)