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[kom-pi-tish-uh n] /ˌkɒm pɪˈtɪʃ ən/
the act of competing; rivalry for supremacy, a prize, etc.:
The competition between the two teams was bitter.
a contest for some prize, honor, or advantage:
Both girls entered the competition.
the rivalry offered by a competitor:
The small merchant gets powerful competition from the chain stores.
a competitor or competitors:
What is your competition offering?
Sociology. rivalry between two or more persons or groups for an object desired in common, usually resulting in a victor and a loser but not necessarily involving the destruction of the latter.
Ecology. the struggle among organisms, both of the same and of different species, for food, space, and other vital requirements.
Origin of competition
1595-1605; < Late Latin competītiōn- (stem of competītiō), equivalent to competīt(us) (past participle of competere to meet, come together) + -iōn- -ion; sense influenced by competitor
Related forms
noncompetition, adjective
procompetition, adjective
supercompetition, noun
1. emulation. 2. struggle. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for competition


the act of competing; rivalry
a contest in which a winner is selected from among two or more entrants
a series of games, sports events, etc
the opposition offered by a competitor or competitors
a competitor or competitors offering opposition
(ecology) the struggle between individuals of the same or different species for food, space, light, etc, when these are inadequate to supply the needs of all
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
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Word Origin and History for competition

c.1600, "action of competing," from Latin competitionem (nominative competitio) "agreement, rivalry," noun of action from past participle stem of competere (see compete). Meaning "a contest for something" is from 1610s. Sense of "rivalry in the marketplace" attested from 1793; that of "entity or entities with which one competes" is from 1961, especially in business.

Online Etymology Dictionary, © 2010 Douglas Harper
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competition in Medicine

competition com·pe·ti·tion (kŏm'pĭ-tĭsh'ən)

  1. The process by which the activity or presence of one substance interferes with or suppresses the activity of another substance with similar affinities, as of antigens.

  2. The simultaneous demand by two or more organisms for limited environmental resources.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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competition in Science
The simultaneous demand by two or more organisms for limited environmental resources, such as nutrients, living space, or light.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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