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hydraulic coupling
hydraulic press
hydraulic ram
hydraulics
hydrazide
hydrazine
hydrazoic acid
hydric
hydride
hydrilla
hydriodic acid
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hydride

hy·dride [ h drd ] (plural hy·drides)


noun 
Definition:
 
compound containing hydrogen ions: a chemical compound formed between hydrogen and a more electropositive atom, e.g. sodium hydride, or via a covalent bond, e.g. boron hydride. Hydrides can also be formed with transition metals such as platinum and palladium.

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