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frequency modulation
frequent
frequent flier
frequent guest
frequentative
frequently
fresco
fresh
fresh air
fresh breeze
fresh-faced
fresh gale
fresh signal
fresh-water Yankee
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fresnel
fres·nel [ frə nél ]


noun 
Definition:
 
unit of frequency: a unit of frequency, equivalent to 1012 hertz
[See Fresnel lens]
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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