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extrinsic

[ik-strin-sik, -zik]
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adjective
  1. not essential or inherent; not a basic part or quality; extraneous: facts that are extrinsic to the matter under discussion.
  2. being outside a thing; outward or external; operating or coming from without: extrinsic influences.
  3. Anatomy. (of certain muscles, nerves, etc.) originating outside the anatomical limits of a part.
Also Archaic, ex·trin·si·cal.

Origin of extrinsic

1535–45; < Late Latin extrinsecus outward, adj. use of Latin extrinsecus (adv.) on the outward side, equivalent to extrim- (ext(e)r outer (see exterior) + -im adv. suffix) + secus beside (derivative of sequī to follow)
Related formsex·trin·si·cal·ly, adverbnon·ex·trin·sic, adjectivenon·ex·trin·si·cal, adjectivenon·ex·trin·si·cal·ly, adverbun·ex·trin·sic, adjective
Can be confusedextraneous external extrinsic internal intrinsic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for extrinsic

extrinsic

adjective
  1. not contained or included within; extraneous
  2. originating or acting from outside; external
Derived Formsextrinsically, adverb

Word Origin

C16: from Late Latin extrinsecus (adj) outward, from Latin (adv) from without, on the outward side, from exter outward + secus alongside, related to sequī to follow
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

Word Origin and History for extrinsic

adj.

1540s, from French extrinsèque, from Late Latin extrinsecus (adj.), from Latin extrinsecus (adv.) "outwardly," from exter "outside" + in, suffix of locality, + secus "beside, alongside," originally "following" (related to sequi "to follow;" see sequel).

Online Etymology Dictionary, © 2010 Douglas Harper

extrinsic in Medicine

extrinsic

(ĭk-strĭnsĭk, -zĭk)
adj.
  1. Of or relating to an organ or structure, especially a muscle, originating outside of the part where it is found or upon which it acts; adventitious.
Related formsex•trinsi•cal•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.