Medical Dictionary


noun pro·phy·lax·is \-ˈlak-səs\
plural pro·phy·lax·es \-ˈlak-ˌsēz\

Medical Definition of PROPHYLAXIS

:  measures designed to preserve health and prevent the spread of disease :  protective or preventive treatment <prophylaxis against viral diseases> <a paste containing fluorine for dental prophylaxis>


June 30, 2015
disinformation Hear it
false information deliberately spread
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears