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Webster 1913 Edition

Noun.

[

Uni-

silicate

(Min.)

A salt of orthosilicic acid,

H4SiO4

; – so called because the ratio of the oxygen atoms united to the basic metals and silicon respectively is 1:1; for example,

Mg2SiO4

or 2

MgO.SiO2

unisilicate ‎(countable and uncountable, plural unisilicates)

(mineralogy) A salt of orthosilicic acid where the ratio of oxygen atoms united to the basic metals and silicon respectively is 1:1.