Physi-ōl'o-gy, n.

n. [Gr. φυσιολογία, from φύσις, nature, and λόγος, discourse; Lat. physiologia, Fr. physiologie, It. & Sp. fisiologia.] That department of natural science which treats of the organs and their functions, in animals and plants.

Mental physiology, the science of the functions and phenomena of the mind, as distinguished from a philosophical explanation of the same.

There is a science that may be termed mental physiology, as there is another science relating to the structure and offices of our corporal frame. Browne.