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A white lead pigment, sometimes used in cosmetics.
tr.v. ce·rused, ce·rus·ing, ce·rus·es
To treat (wood or a wooden object) with a white pigment to accentuate the grain.
[Middle English, from Old French, from Latin cērussa, perhaps from dialectal Greek *kēroessa, from feminine of *kēroeis, containing wax, waxy, from kēros, wax (ancient cosmetics being made from wax and pigments).]
(Elements & Compounds) another name for white lead1
[C14: from Old French céruse, from Latin cērussa, perhaps ultimately from Greek kēros wax]
ce•ruse(ˈsɪər us, sɪˈrus)
a pigment composed of white lead.
[1350–1400; Middle English < Latin cērussa]