disinfect

[dis-in-fekt]
verb (used with object)
to cleanse (rooms, wounds, clothing, etc.) of infection; destroy disease germs in.

Origin:
1590–1600; < Middle French desinfecter, equivalent to des- dis-1 + infecter to infect

disinfection, noun
disinfective, adjective
disinfector, noun
redisinfect, verb (used with object)
undisinfected, adjective
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World English Dictionary
disinfect (ˌdɪsɪnˈfɛkt)
 
vb
(tr) to rid of microorganisms potentially harmful to man, esp by chemical means
 
disin'fection
 
n
 
disin'fector
 
n

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

disinfect
1590s, perhaps from Fr. désinfecter, or formed in English from dis- + infect.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

disinfect dis·in·fect (dĭs'ĭn-fěkt')
v. dis·in·fect·ed, dis·in·fect·ing, dis·in·fects
To cleanse something so as to destroy or prevent the growth of disease-carrying microorganisms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
People with any brains periodically clean and disinfect their sinks.
If you decide to keep the carpeting, hire a licensed carpet cleaning company to
  steam clean and disinfect the carpet.
Most treatment processes are simply designed to disinfect the water.
Let's track and disinfect all asteroids that threaten to land elsewhere.
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