Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
propjet
proplastid
proplyd
propman
propolis
proponent
proportion
proportional
proportional counter
proportional representation
proportional tax
proportionate
proposal
propose
proposita
propositi
proposition
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

prophylactic
pro·phy·lac·tic [ prfə láktik, pròffə láktik ]


adjective 
Definition:
 
protecting against disease: protecting against infection or disease


noun  (plural pro·phy·lac·tics)
Definition:
 
1. health 
Same as  condom
2. drug that guards against disease: a drug or agent that prevents the development of disease
[Late 16th century. Via French prophylactique< Greek prophulaktikos prophulassein, literally "keep guard in front of" < phulassein "to guard"]

pro·phy·lac·ti·cal·ly adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft