'Borosilicate' definitions:
Definition of 'borosilicate'
From: WordNet
noun
A salt of boric and silicic acids
Definition of 'Borosilicate'
From: GCIDE
- Borosilicate \Bo"ro*sil"i*cate\, n. [Boron + silicate.] (Chem.) A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc. [1913 Webster]