Pronunciation: (kō"ad-up-tā'shun), [key]
1. Biol.the correlation of structural or behavioral characteristics in two or more interacting organisms in a community or organs in an organism resulting from progressive accommodation by natural selection.
2. Also called integration. Genetics.the accumulation in a population's gene pool of genes that interact by harmonious epistasis in the development of an organism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.