[ 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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“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”
Origin of catabolism
OTHER WORDS FROM catabolismcat·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
/ (kəˈtæbəˌlɪzəm) /
a metabolic process in which complex molecules are broken down into simple ones with the release of energy; destructive metabolismCompare anabolism
Derived forms of catabolismcatabolic 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
[ kə-tăb′ə-lĭz′əm ]
The metabolic breakdown of complex molecules into simpler ones, often resulting in a release of energy.
Other words from catabolismcat′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.
Scientific definitions for 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.
Other words from catabolismcatabolic adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for catabolism
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.