Main Entry: bi·ol·o·gy

Pronunciation: \bī-ˈä-lə-jē\

Function: noun

Etymology: German Biologie, from bi- + -logie -logy

Date: 1819

1 : a branch of knowledge that deals with living organisms and vital processes
2 a : the plant and animal life of a region or environment b : the life processes especially of an organism or group; broadly : ecology

— bi·ol·o·gist \-jist\ noun