metabolism[mə tab′ə liz′əm]
- The definition of metabolism is the organic and chemical processes inside of organisms that are necessary to maintain life, or how quickly you burn calories or fat.
- The chemical processes that let you stay alive are an example of metabolism.
- The rate at which you burn fat and calories you consume is an example of metabolism.
the chemical and physical processes continuously going on in living organisms and cells, consisting of anabolism and catabolism
Origin of metabolism; from Classical Greek metabolē, change ; from meta, beyond (see meta-) + ballein, to throw (see ball) + -ism
- The chemical processes occurring within a living cell or organism that are necessary for the maintenance of life. In metabolism some substances are broken down to yield energy for vital processes while other substances, necessary for life, are synthesized.
- The processing of a specific substance within a living cell or organism: iodine metabolism.
Origin of metabolismFrom Greek metabolē, change, from metaballein, to change : meta-, meta- + ballein, to throw; see gwel&schwa;- in Indo-European roots.
- (physiology) The complete set of chemical reactions that occur in living cells.
From Ancient Greek μεταβολή (metabolē, “change”), from μετά (meta, “meta-”) + βάλλω (ballō, “I throw”).