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hydroxyproline
hydrozoan
Hydrus
hyena
hyetal
hyeto-
hyetograph
Hygeia
Hygiea
hygiene
hygienic
hygienics
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hygrograph
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hygrophilous
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Hygiea
Hy·gi·ea [ hī j ə ]


noun 
Definition:
 
fourth-largest asteroid: the fourth-largest asteroid, discovered in 1849. It has a diameter of approximately 420 km () ( (260 mi)).
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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