Main Entry: phys·i·ol·o·gy

Pronunciation: \ˌfi-zē-ˈä-lə-jē\

Function: noun

Etymology: Latin physiologia natural science, from Greek, from physi- + -logia -logy

Date: 1615

1 : a branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved — compare anatomy
2 : the organic processes and phenomena of an organism or any of its parts or of a particular bodily process

— phys·i·ol·o·gist \-jist\ noun