cerate
nounEtymology From Middle English cerate, cerote, from Latin cērātum, from cēra (“wax”), see -ate (noun-forming suffix)
1
Medicine, Sciences Archaic, Historical An unctuous preparation for external application — mainly wax (or resin or spermaceti) mixed with oil, lard, and various medicinal ingredients — of a consistency between ointment and plaster, so that it can be spread upon cloth without the use of heat, but does not melt when applied to the skin.
2
Chemistry, Inorganic chemistry, Natural sciences, Physical sciences The anion CeO₃²⁻ of cerium.