catabolism [k uh- tab- uh-liz- uh m] Word Origin See more synonyms on Thesaurus.com 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). Origin of catabolism 1875–80;
) a throwing down (
a throw; compare
to throw down) +
-ism Related forms cat·a·bol·ic , [kat- uh- bol-ik] /ˌkæt əˈbɒl ɪk/ adjective cat·a·bol·i·cal·ly, adverb hy·per·ca·tab·o·lism, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for catabolic a metabolic process in which complex molecules are broken down into simple ones with the release of energy; destructive metabolism Compare anabolism Derived Forms catabolic or katabolic ( ˌkætəˈbɒlɪk), adjective catabolically or katabolically, adverb Word Origin
katabolism, from Greek katabolē a throwing down, from kataballein, from kata- down + ballein to throw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for catabolic catabolism n.
katabolism, "destructive metabolism," from Greek katabole "a throwing down" (also "a foundation"), from kataballein "to throw down," from kata- "down" (see cata-) + ballein "to throw" (see ballistics). Barnhart says probably formed in English on the model of metabolism. Spelling Latinized from 1889.
Online Etymology Dictionary, © 2010 Douglas Harper
catabolism (kə-tăb ′ə-lĭz′əm) The metabolic breakdown of complex molecules into simpler ones, often resulting in a release of energy. Related forms cat′a•bol ( ′ic kăt′ə-bŏl) ′ĭk adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
catabolism [kə-tăb ′ə-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. Related forms catabolic adjective
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.