'Sulphate' definitions:

Definition of 'sulphate'

From: WordNet
noun
A salt or ester of sulphuric acid [syn: sulfate, sulphate]

Definition of 'Sulphate'

From: GCIDE
  • Sulphate \Sul"phate\, n. [NL. sulphas, sulphatis, fr. L. sulphur, sulfur, brimstone, sulphur: cf. F. sulfate.] (Chem.) A salt of sulphuric acid. [1913 Webster]