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repellent

[ri-pel-uh nt] /rɪˈpɛl ənt/
adjective
1.
causing distaste or aversion; repulsive.
2.
forcing or driving back.
3.
serving or tending to ward off or drive away.
4.
impervious or resistant to something (often used in combination):
moth-repellant.
noun
5.
something that repels, as a substance that keeps away insects.
6.
a medicine that serves to prevent or reduce swellings, tumors, etc.
7.
any of various durable or nondurable solutions applied to a fabric, garment, surface, etc., to increase its resistance, as to water, moths, mildew, etc.
Also, repellant.
Origin
1635-1645
1635-45; < Latin repellent- (stem of repellēns), present participle of repellere to drive back. See repel, -ent
Related forms
repellently, adverb
interrepellent, adjective
nonrepellent, adjective
self-repellent, adjective
unrepellent, adjective
unrepellently, adverb
Can be confused
repellent, repulsive.
Synonyms
1. repugnant, disgusting, distasteful, loathsome.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for repellent
  • It still is, but a new repellent comes close in effectiveness.
  • Linalool is toxic to some types of insects, though it isn't known to have any repellent qualities.
  • But these examples indicate a way in which even an opening apology may be attractive rather than repellent.
  • Or, to be more accurate, there's something positively repellent about him.
  • Scientists have discovered that certain caterpillars manufacture and secrete their own insect repellent, a new study shows.
  • The resulting two-layer raft is cohesive, buoyant and water-repellent.
  • The chemical also is used in some mothballs, and in moth-repellent crystals packaged in miniature hangers.
  • The polymer also has another interesting property: as its stickiness lessens, it becomes more water-repellent.
  • These particles have had both oil-repellent and water-repellent molecules attached to their surfaces.
  • And in many countries the whole idea of planning in advance for the failure of a marriage seems unromantic-or repellent.
British Dictionary definitions for repellent

repellent

/rɪˈpɛlənt/
adjective
1.
giving rise to disgust or aversion; distasteful or repulsive
2.
driving or forcing away or back; repelling
noun
3.
something, esp a chemical substance, that repels: insect repellent
4.
a substance with which fabrics are treated to increase their resistance to water
Derived Forms
repellence, repellency, noun
repellently, adverb
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 repellent
adj.

also repellant, 1640s, from Latin repellentem (nominative repelens), present participle of repellere (see repel). Originally of medicines (that reduced tumors); meaning "distasteful, disagreeable" first recorded 1797.

n.

also repellant, 1660s, "medicine that reduces tumors," from repellent (adj.). As "substance that repels insects," 1908.

Online Etymology Dictionary, © 2010 Douglas Harper
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repellent in Medicine

repellent re·pel·lent (rĭ-pěl'ənt)
adj.
Capable of driving off or repelling. n.
A substance used to drive off or keep away insects.

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