Definition from Wiktionary, the free dictionary
- (RP) IPA: /ˌfɪziˈɒləd͡ʒi/, X-SAMPA: /%fIzi"Ql@dZi/
- (GenAm) IPA: /ˌfɪziˈɑ.lə.d͡ʒi/, X-SAMPA: /%fIzi"A.l@.dZi/
- 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.
- (obsolete) The study and description of natural objects; natural science.
Derived terms 
- animal physiology
- plant physiology
Related terms 
branch of biology