- noun energy used by a body at rest, i.e. energy needed to keep the body functioning and the temperature normal. This can be calculated while an animal is in a state of complete rest by observing the amount of heat given out or the amount of oxygen taken in and retained.
- noun the chemical processes that convert food into energy which take place in the human body when it is at rest
- noun the minimum amount of energy needed to keep the body functioning and the temperature standard when at rest