antimony pentasulfide

[ pen-tuh-suhl-fahyd ]
/ ˌpɛn təˈsʌl faɪd /

noun Chemistry.

a deep-yellow, water-insoluble powder, Sb2S5, used chiefly as a pigment in oil and water colors.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020