massicot definition by Webster's New World
Origin: Middle English masticote, altered (infl. by mastik, mastic) ; from Middle French ; from Italian marzacotto ; from Spanish mezacote ; from Arabic shabb qubṭi, Coptic alum: see Coptic
massicot definition by American Heritage Dictionary
- The mineral form of lead monoxide, PbO.
- A yellow powder, PbO, used as a pigment.
Origin: Middle English masticot, from Old French, perhaps from Old Italian marzacotto, potter's glaze (perhaps from Spanish mazacote, mortar), possibly from Arabic masḥaqūnīyā, perhaps of Greek origin.