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[bahy-ot-ik] /baɪˈɒt ɪk/
pertaining to life.
Origin of biotic
1590-1600; < Greek biōtikós of, pertaining to life, equivalent to biō-, verbid stem of bioûn to live + -tikos -tic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for biotic
  • The important unit of ecological study is the biotic community.
  • There are volumes of well documented evidence for the biotic origin of oil.
  • This “biotic pump” model contends that a vast forest such as the Amazon draws in large amounts of water vapor.
  • We can then say that the human population forms part of an ecosystem, in biotic fellowship with other forms of life.
  • The three main groups of ecological factors, climatic, physiographic and biotic are distinguished.
  • How evolution and ecology fashioned a biotic milieu.
  • In the natural world, biotic interrelationships are usually more complex than that.
  • Return them, and you have the potential to increase the biotic wealth of the ocean profoundly.
  • Yet they go untouched by antibiotics, having nothing really biotic about them.
  • The former are biotic and the latter are abiotic variables which shape the diversity and topology of the tree of life.
British Dictionary definitions for biotic


of or relating to living organisms
(of a factor in an ecosystem) produced by the action of living organisms Compare edaphic
Word Origin
C17: from Greek biotikos, from bios life
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 biotic

"pertaining to life," 1847, in the medical sense, from Latin bioticus, from Greek biotikos "pertaining to life," from bios "life" (see bio-). Biotic factor was in use by 1907. Related: Biotical.

Online Etymology Dictionary, © 2010 Douglas Harper
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biotic in Medicine

biotic bi·ot·ic (bī-ŏt'ĭk)

  1. Relating to life or living organisms.

  2. Produced or caused by living organisms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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biotic in Science
  1. Consisting of living organisms. An ecosystem is made up of a biotic community (all of the naturally occurring organisms within the system) together with the physical environment.

  2. Associated with or derived from living organisms. The biotic factors in an environment include the organisms themselves as well as such items as predation, competition for food resources, and symbiotic relationships. Compare abiotic.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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