珪けい灰かい石せきMeanings1nounwollastoniteA calcium silicate mineral (CaSiO₃) used in ceramics, plastics, and as a substitute for asbestos. Technical term in geology and materials science.珪けい灰かい石せきはセラミックスの原げん料りょうとして利り用ようされる。Wollastonite is used as a raw material for ceramics.
