catabolism (redirected from catabolism of substance)

ca·tab·o·lism  (k-tb-lzm)

n.

The metabolic breakdown of complex molecules into simpler ones, often resulting in a release of energy.

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[cata- + (meta)bolism.]

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cata·bolic (kt-blk) adj.

cata·boli·cal·ly adv.

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catabolism

Noun

Biol a metabolic process in which complex molecules are broken down into simple ones with the release of energy [Greek kata- down + ballein to throw]

catabolic adj

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catabolism  (k-tb-lzm)

The phase of metabolism in which energy, in the form of ATP, is produced by the breakdown of complex molecules, such as starches, proteins and fats, into simpler ones. Compare anabolism.

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catabolic adjective

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catabolism

1. the metabolic process in which energy is liberated for use in work.
2. destructive metabolism.

See also: Change

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Biology, Physiology. the destructive processes of chemical ehange in living organisms, characterized by the breaking down of complex substances into simpler ones, with a release of energy. Cf. anabolism. — catabolic, adj.

See also: Organisms

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the destructive process of metabolism in which living matter is turned into waste. — catabolic, adj.

See also: Decaying

Thesaurus

Noun

1.

catabolism - breakdown in living organisms of more complex substances into simpler ones together with release of energy destructive metabolism, katabolism, dissimilation metabolic process, metabolism - the organic processes (in a cell or organism) that are necessary for life biological process, organic process - a process occurring in living organisms anabolism, constructive metabolism - the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy