Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
anapest
anaphase
anaphora
anaphoresis
anaphrodisia
anaphrodisiac
anaphylactic
anaphylactic shock
anaphylaxis
anaplasia
anaplastic
anaptyxis
anarchic
anarchism
anarchist
anarchy
anarthria
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

anaphylaxis
an·a·phy·lax·is [ ànnəfə láksiss ]


noun 
Definition:
 
1. extreme sensitivity: extreme sensitivity to a substance such as a protein or drug
2. med 
Same as  anaphylactic shock
[Early 20th century. < modern Latin< Greek ana- "again" (because a substance is reintroduced) + -phylaxis "guarding, watching"]

an·a·phy·lac·toid [ ànnəfə lák tòyd ] adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft