Unisilicate \U`ni*sil"i*cate\, n. [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
2MgO.SiO2.
[1913 Webster]
