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Naples yellow

noun

a poisonous pigment used in painting and enameling, consisting chiefly of lead antimoniate and characterized by its fugitive yellow color, rapid drying rate, and strong film-forming properties.

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Origin of Naples yellow

1730–40; so called because originally manufactured in Naples, Italy
Also called antimony yellow.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for antimony yellow

Naples yellow

noun

a yellow pigment, used by artists; lead antimonate
a similar pigment consisting of a mixture of zinc oxide with yellow colouring matter
the colour of either of these pigments
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012