D defs.my
Entry 1 sense Webster, 1913

Orthosilicic

· Or·tho·si·lic·ic · IPA
01 a. Designating the form of silicic acid having the normal or highest number of hydroxyl groups.
  1. 1.
    Designating the form of silicic acid having the normal or highest number of hydroxyl groups.(Chem.)