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hydrocarbon
hydrocele
hydrocellulose
hydrocephalus
hydrochloric acid
hydrochloride
hydrochlorofluorocarbon
hydrochlorothiazide
hydrocolloid
hydrocolloid strip
hydrocoral
hydrocortisone
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hydrocyanic acid
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hydrogen bomb
hy·dro·gen bomb (plural hy·dro·gen bombs)


noun 
Definition:
 
extremely potent nuclear weapon: an explosive weapon of mass destruction in which huge amounts of energy are released by the fusion of hydrogen nuclei
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