hydride
/ˈhaɪˌdrɑɪd/Definitions
1. noun
A chemical compound consisting of hydrogen combined with another element, especially a metal.
“The new compound was a hydride of boron, used in the production of semiconductors.”
2. noun
In chemistry, a compound that contains hydrogen and another element, especially a metal, with a fixed valency.
“The hydride of calcium is an important compound in the production of various industrial chemicals.”