[proh-fuh-lak-sis, prof-uh-]
the preventing of disease.
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.
prophylactic treatment, as the cleaning of the teeth by a dentist or dental hygienist.

1835–45; < Neo-Latin < Greek pro- pro-2 + phýlaxis a watching, guarding, equivalent to phylak- (base of phylássein to guard) + -sis -sis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To prophylaxis
World English Dictionary
prophylaxis (ˌprɒfɪˈlæksɪs)
the prevention of disease or control of its possible spread

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

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.
Cite This Source
Example sentences
Taking malaria prophylaxis makes more sense for those countries, depending on
  where the visitor is headed.
But prophylaxis works, by definition, on the healthy.
Puerperal fever came to be acknowledged to have one cause, an iatrogenic cause,
  absence of physician prophylaxis.
Using a hospital-based anesthesia adds thousands of dollars to the cost of a
  simple dental examination and prophylaxis.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature