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heave-ho
heave to
heaven
heaven-sent
heavenly
heavenly body
heavenward
heaves
heavier-than-air
heavily
heaving
Heaviside layer
heavy
heavy breather
heavy chain
heavy cream
heavy-duty
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heavier-than-air
heav·i·er-than-air


adjective 
Definition:
 
weighing more than displaced air: unable to float in air because it weighs more than the air it displaces, and thus only able to fly under power using aerodynamic lift
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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