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zinc sulfide

noun, Chemistry.
a white to yellow, crystalline powder, ZnS, soluble in acids, insoluble in water, occurring naturally as wurtzite and sphalerite: used as a pigment and as a phosphor on x-ray and television screens.
Origin of zinc sulfide
First recorded in 1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Historical Examples
  • The luminous watch dials consist of a coating of zinc sulfide under continual bombardment by the radium projectiles.

    Creative Chemistry

    Edwin E. Slosson

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