also: ほうけいさん
noun
borosilicic acid
Technical term in chemistry. Refers to a compound containing boron, silicon, and oxygen, often in the context of glass or ceramics.
ホウケイ酸ガラスは耐熱性に優れている。
Borosilicate glass has excellent heat resistance.
Borosilicate glass, a common product made from borosilicic acid. The acid itself is rarely encountered outside of industrial contexts.
Compound of ホウ (boron) + ケイ (silicon) + 酸 (acid). The kanji spellings 硼 and 珪 are older forms for boron and silicon, respectively.