Wiktionary
lithium bromide
n. (context chemistry English) the lithium salt of hydrobromic acid, LiBr, sometimes used as a desiccant
Wikipedia
Lithium bromide
Lithium bromide (LiBr) is a chemical compound of lithium and bromine. Its extreme hygroscopic character makes LiBr useful as a desiccant in certain air conditioning systems.
Usage examples of "lithium bromide".
Large-scale absorbers, that would be large enough to cool a fifty-story high-rise office building for example, are operated with water as the refrigerant, and lithium bromide (a strong salt solution) as the absorbent.