Wiktionary
alt. 1 (context inorganic compound English) AlH, formed when aluminium is heated at 1500°C in an atmosphere of hydrogen. 2 (context inorganic compound English) (AlH3)n, can be prepared in ether solution by the reaction of aluminium chloride and lithium hydride; it is used to manufacture lithium aluminium hydride. n. 1 (context inorganic compound English) AlH, formed when aluminium is heated at 1500°C in an atmosphere of hydrogen. 2 (context inorganic compound English) (AlH3)n, can be prepared in ether solution by the reaction of aluminium chloride and lithium hydride; it is used to manufacture lithium aluminium hydride.
Wikipedia
Aluminium hydride (also known as alane or alumane) is an inorganic compound with the formula Al H. It is a colourless pyrophoric solid. Although rarely encountered outside of research laboratories, alane and its derivatives are used as reducing agents in organic synthesis.