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phenylpropanolamine
phenylthiocarbamide
phenytoin
pheromone
phew
PHI
phi
Phi Beta Kappa
phi effect
phi phenomenon
phial
PHIGS
-phil
Phil.
phil-
Phila.
Philadelphia
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phi effect
phi ef·fect


noun 
Definition:
 
optics 
Same as  phi phenomenon
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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