ホウケイ酸さん塩えんalso: ほうけいさんえんホウケイさんえんMeanings1nounborosilicatechemistry›Chemistry term for a salt or ester of borosilicate, commonly encountered in materials science (e.g., borosilicate glass).ホウケイ酸さん塩えんガラスは耐たい熱ねつ性せいに優