Hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
anaphylaxis \anaphylaxis\ n. [Gr. 'ana` back, way from + fy`laxis security, protection.] 1. (Med.) hypersensitivity (to a protein or drug) resulting from prior contact with a substance. (Med.) an immediate but transient allergic reaction to an antigenic ...

Wikipedia Word definitions in Wikipedia
Anaphylaxis is a 2009 British art house feature film written and directed by Ayman Mokhtar and starring Guy Defferary, Katia Winter , Jenna Brook and Frazer Douglas. The story is about a doctor allergic to the human touch who finds his salvation in writings ...

WordNet Word definitions in WordNet
n. hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
see anaphylactic .

Wiktionary Word definitions in Wiktionary
n. 1 Extreme sensitivity to a substance such as a foreign protein or drug. 2 A severe and rapid systemic allergic reaction to an allergen, causing a constriction of the trachea, preventing breathing; anaphylactic shock.