Новый большой англо-русский словарь. 2001.
Microlith — Mi cro*lith, n. [Micro + lith.] (Min.) Same as {Microlite}, 2. [1913 Webster] … The Collaborative International Dictionary of English
microlite — noun a) A basic fluoride of sodium, calcium, tantalum and niobium that is isomorphous with pyrochlore b) A microlith … Wiktionary