'Silicate' definitions:

Definition of 'silicate'

From: WordNet
noun
A salt or ester derived from silicic acid

Definition of 'Silicate'

From: GCIDE
  • Silicate \Sil"i*cate\, n.[Cf. F. silicate.] (Chem.) A salt of silicic acid. [1913 Webster]
  • Note: In mineralogical chemistry the silicates include; the unisilicates or orthosilicates, salts of orthosilicic acid; the bisilicates or metasilicates, salts of metasilicic acid; the polysilicates or acid silicates, salts of the polysilicic acids; the basic silicates or subsilicates, in which the equivalent of base is greater than would be required to neutralize the acid; and the hydrous silicates, including the zeolites and many hydrated decomposition products. [1913 Webster]