physiology Meaning, Definition & Usage

  1. noun the branch of the biological sciences dealing with the functioning of organisms
  2. noun processes and functions of an organism

WordNet

Phys`i*ol"o*gy noun
Etymology
L. physiologia, Gr. nature + discourse: cf. F. physiologie.
Wordforms
plural Physiologies
Definitions
  1. The science which treats of the phenomena of living organisms; the study of the processes incidental to, and characteristic of, life. ✍ It is divided into animal and vegetable physiology, dealing with animal and vegetable life respectively. When applied especially to a study of the functions of the organs and tissues in man, it is called human physiology.
  2. A treatise on physiology.

Webster 1913