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hydrous
hydroxide
hydroxide ion
hydroxy
hydroxyapatite
hydroxychloroquine
hydroxyl
hydroxyl ion
hydroxylamine
hydroxylate
hydroxyproline
hydrozoan
Hydrus
hyena
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hyetograph
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hydrosulfide
hy·dro·sul·fide [ hdrə súl fd ] (plural hy·dro·sul·fides)


noun 
Definition:
 
ion with hydrogen and sulfur: a negatively charged ion anion containing one atom each of hydrogen and sulfur. HS-
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