n. pl. e·col·o·gies 1. a. The science of the relationships between organisms and their environments. b. The relationship between organisms and their environment. 2. See human ecology. [German Ökologie : Greek oikos, house; see weik-1 in the Appendix of Indo-European roots + German -logie, study (from Greek -logiā, -logy).] ec′o·logi·cal (ĕk′ə-lŏjĭ-kəl, ē′kə-), ec′o·logic (-ĭk) adj. ec′o·logi·cal·ly adv. e·colo·gist n. |
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