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massicot definition

mas·si·cot (mas′i kät′)

noun

a soft, powdery mineral, PbO, used in making rubber, glass, etc.; lead oxide

Etymology: ME masticote, altered (infl. by mastik, mastic) < MFr < It marzacotto < Sp mezacote < Ar shabb qubṭi, Coptic alum: see Coptic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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