catabolism

[ kuh-tab-uh-liz-uhm ]
/ kəˈtæb əˌlɪz əm /

noun Biology, Physiology.

destructive metabolism; the breaking down in living organisms of more complex substances into simpler ones, with the release of energy (opposed to anabolism).

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Origin of catabolism

1875–80; <Greek katabol() a throwing down (kata-cata- + bolḗ a throw; compare katabállein to throw down) + -ism

OTHER WORDS FROM catabolism

cat·a·bol·ic [kat-uh-bol-ik], /ˌkæt əˈbɒl ɪk/, adjectivecat·a·bol·i·cal·ly, adverbhy·per·ca·tab·o·lism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for catabolism

catabolism

katabolism

/ (kəˈtæbəˌlɪzəm) /

noun

a metabolic process in which complex molecules are broken down into simple ones with the release of energy; destructive metabolismCompare anabolism

Derived forms of catabolism

catabolic or katabolic (ˌkætəˈbɒlɪk), adjectivecatabolically or katabolically, adverb

Word Origin for catabolism

C19 katabolism, from Greek katabolē a throwing down, from kataballein, from kata- down + ballein to throw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for catabolism

catabolism
[ kə-tăbə-lĭz′əm ]

n.

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

Other words from catabolism

cat′a•bolic (kăt′ə-bŏlĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for catabolism

catabolism
[ kə-tăbə-lĭz′əm ]

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.

Other words from catabolism

catabolic adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for catabolism

catabolism

Biochemical reactions that break down molecules in metabolism. Molecules may be broken down to gain their energy or to prepare them for disposal from the body. (Compare anabolism.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.