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anarthria
anarthrous
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Anasazi culture
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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
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