Pronunciation: (i-kol'u-jē), [key]
1. the branch of biology dealing with the relations and interactions between organisms and their environment, including other organisms.
2. Also called human ecology. the branch of sociology concerned with the spacing and interdependence of people and institutions. Also,oecology.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.