Definition of manganese sulphate in US English:

manganese sulphate

(US manganese sulfate)

noun

  • A sulphate of manganese, especially manganese(ii) sulphate (manganous sulphate), a pale pink crystalline solid, Mn(SO₄), often obtained as the tetrahydrate and used as a fertilizer, a fungicide, and pigment in ceramics and textile dyeing.

Origin

Late 19th century; earliest use found in Matthew Muir (1848–1931).