massicot

[ mas-i-kot ]

/ ˈmæs ɪˌkɒt /

monoxide of lead, PbO, in the form of a yellow powder, used as a pigment and drier.

Origin of massicot

1425–75; late Middle English masticot < Middle French < Italian massicotto < Arabic masḥaqūniyā, perhaps < Greek

When prepared below the temperature of fusion it is called “massicot.”

Poisons: Their Effects and Detection |Alexander Wynter Blyth
Massicot, mas′i-kot, n. protoxide of lead or yellow oxide of lead.

Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) |Various
It is manufactured in two forms, known as “massicot” and “litharge.”

Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 3 |Various
Massicot and orpiment, he considers as those which have been the least permanent amongst all the mineral colours.

The Life of Sir Humphrey Davy, Bart. LL.D., Volume 2 (of 2) |John Ayrton Paris

It may be obtained by digesting with heat a solution of the neutral acetate, upon pure litharge or massicot.

A Dictionary of Arts, Manufactures and Mines |Andrew Ure

massicot

/ (ˈmæsɪˌkɒt) /

a yellow earthy secondary mineral consisting of lead oxide. Formula: PbO

C15: via French from Italian marzacotto ointment, perhaps from Arabic shabb qubti Egyptian alum