metabolism

1. The chemical processes that occur within a living organism in order to maintain life. (countable, uncountable) · The metabolisms of aerobic bacteria require oxygen
2. The rate at which these processes occur for a given organism (countable, uncountable) · Small animals have a much higher metabolism than large animals because they lose more body heat
3. The processes that maintain any dynamic system. (countable, figuratively, uncountable)

Plural metabolisms