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prophylaxis

[proh-fuh-lak-sis, prof-uh-] /ˌproʊ fəˈlæk sɪs, ˌprɒf ə-/
noun
1.
Medicine/Medical.
  1. the preventing of disease.
  2. the prevention of a specific disease, as by studying the biological behavior, transmission, etc., of its causative agent and applying a series of measures against it.
2.
prophylactic treatment, as the cleaning of the teeth by a dentist or dental hygienist.
Origin of prophylaxis
1835-1845
1835-45; < New Latin < Greek pro- pro-2 + phýlaxis a watching, guarding, equivalent to phylak- (base of phylássein to guard) + -sis -sis
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for prophylaxis

prophylaxis

/ˌprɒfɪˈlæksɪs/
noun
1.
the prevention of disease or control of its possible spread
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for prophylaxis
n.

"preventive treatment of disease," 1746, Modern Latin, from Greek pro (see pro-) + phylaxis "a watching, guarding" (see prophylactic).

Online Etymology Dictionary, © 2010 Douglas Harper
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prophylaxis in Medicine

prophylaxis pro·phy·lax·is (prō'fə-lāk'sĭs, prŏf'ə-)
n. pl. pro·phy·lax·es (-lāk'sēz')
Prevention of or protective treatment for disease.

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