Bioenergetics Definition

A branch of energetics that deals with how a living organism converts food, sunlight, etc. into useful energy.
Webster's New World
The study of the flow and transformation of energy in and between living organisms and between living organisms and their environment.
American Heritage Medicine
A form of therapy that focuses on the physical manifestation of emotional tension and stress, combining psychotherapy with physical therapies such as massage, relaxation techniques, and exercises in posture and breathing.
American Heritage Medicine

(biology, physics) The study of the energy transformations that take place in living organisms.