'Manganate' definitions:

Definition of 'manganate'

From: WordNet
noun
A salt of manganic acid containing manganese as its anion

Definition of 'Manganate'

From: GCIDE
  • Manganate \Man"ga*nate\, n. [Cf. F. manganate.] (Chem.) A salt of manganic acid. [1913 Webster]
  • Note: The manganates are usually green, and are well-known compounds, though derived from a hypothetical acid. [1913 Webster]