the act of consuming, as by use, decay, or destruction.
the amount consumed: the high consumption of gasoline.
Economics. the using up of goods and services having an exchangeable value.
Older Use. tuberculosis of the lungs.
progressive wasting of the body.

1350–1400; Middle English consumpcyon (< Middle French) < Latin consūmptiōn- (stem of consūmptiō) a consuming, wasting, equivalent to consūmpt(us), past participle of consūmere to consume (con- con- + sūmp- (variant stem of sūmere to take up, spend) + -tus past participle suffix) + -iōn- -ion

nonconsumption, noun
overconsumption, noun
preconsumption, noun
self-consumption, noun
underconsumption, noun

1. depletion, exploitation, utilization. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
consumption (kənˈsʌmpʃən)
1.  the act of consuming or the state of being consumed, esp by eating, burning, etc
2.  economics expenditure on goods and services for final personal use
3.  the quantity consumed
4.  pathol a condition characterized by a wasting away of the tissues of the body, esp as seen in tuberculosis of the lungs
[C14: from Latin consumptiō a wasting, from consūmere to consume]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

late 14c., from O.Fr. consomption, from L. consumptionem (nom. consumptio) "a using up, wasting," from consumptus, pp. of consumere (see consume). Earliest sense in English was of wasting disease, in which it replaced O.E. yfeladl "the evil disease." Meaning "the using up of material" is 1530s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

consumption con·sump·tion (kən-sŭmp'shən)

  1. The act or process of using up something.

  2. A progressive wasting of body tissue.

  3. Pulmonary tuberculosis. No longer in technical use.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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