calcium hydride

noun

Definition of calcium hydride

: a saltlike compound CaH2 that is white and crystalline when pure but is usually obtained in gray to gray-brown lumps and that is used chiefly as a reducing agent in the preparation of powdered metals, as a portable source of hydrogen, and as a drying agent

called also hydrolith

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Cite this Entry

“Calcium hydride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20hydride. Accessed 29 Oct. 2020.

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