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allergic dermatitis
allergic purpura
allergic rhinitis
allergist
allergy
allethrin
alleviate
alley (1)
alley (2)
alley ball
alley cat
alley-oop
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Allhallows
Allhallows’ Eve
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Allen key
Al·len key (plural Al·len keys)


noun 
Definition:
 
Canada engineering 
Same as  Allen wrench
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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