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heaven-sent
heavenly
heavenly body
heavenward
heaves
heavier-than-air
heavily
heaving
Heaviside layer
heavy
heavy breather
heavy chain
heavy cream
heavy-duty
heavy-footed
heavy goods vehicle
heavy-handed
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Heaviside layer
Heav·i·side lay·er


noun 
Definition:
 
physics 
Same as  E region
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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