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Definition of metabolism

metabolism

/məˈtæb.əl.ɪ.zəm/
me · tab · o · lism

Adverb:metabolically
•
Plural:metabolisms
•
Adjective:metabolic
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metabolism Lexical Profile

metabolism Game Scores & Validity

• noun

1

The sum of all chemical processes that occur within a living organism in order to maintain life, encompassing both the breakdown of substances to generate energy (catabolism) and the synthesis of compounds needed by the cells (anabolism).

Example

"Regular aerobic exercise and adequate sleep play a vital role in supporting a healthy human metabolism."


2

The specific chemical processing, breakdown, or transformation of a particular substance, such as a nutrient, hormone, or medication, within a living body.

Example

"The liver is the primary organ responsible for the metabolism of most pharmaceutical drugs."

Synonyms
View all synonyms for metabolism

• Rhymes for metabolism

Word Origin & Etymology

Coined in the late 19th century via French from the Ancient Greek 'metabolē' (meaning 'change'), which derives from 'metaballein' ('to change' or 'to throw into a different position'), combining 'meta-' ('beyond' or 'change') and 'ballein' ('to throw').

Cite this Entry


Wordmom. (2026). Definition of Metabolism. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/metabolism
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