hydride[
'haɪdraɪd]
[医] 氢

hydride[ noun ]any binary compound formed by the union of hydrogen and other elements<noun.substance> 
Hydride \Hy"dride\, n. [Hydr- + ide.] (Chem.)
A compound of the binary type, in which hydrogen is united
with some other element.
{lith"i*um hy"dride}, n. (Chem.) A hydride of lithium, {LiH},
commonly used as a powerful reducing agent in organic
chemistry.
[PJC]