/ iˈkɒlədʒi; NAmE iˈkɑːl-/ noun
[ U ] the relation of plants and living creatures to each other and to their environment; the study of this :
plant / animal / human ecology
the ecology movement
Oil pollution could damage the fragile ecology of the coral reefs.
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WORD ORIGIN
late 19th cent. (originally as oecology ): from Greek oikos house + -logy .