Hydride : A highly toxic, irritating, inorganic compound of hydrogen and another element, usually sodium, lithium, aluminum, or boron, that is flammable or reacts violently with water and oxidizing agents
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}