thallium sulfate

or thallous sulfate

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noun Chemistry.

a colorless, crystalline, water-soluble, poisonous solid, Tl2SO4, used chiefly as an insecticide and rodenticide.

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Words nearby thallium sulfate

thali, Thalia, thalidomide, thallic, thallium, thallium sulfate, thallo-, thalloid, thallophyte, thallous, thallus