borosilicate
(ˌbɔərəʊˈsɪlɪkət)
[f. boro- + silicate.]
A silicate incorporating some boric oxide. borosilicate glass, silicate glass containing boric oxide, used esp. in heat-resistant glassware.
| 1817 T. Thomson Syst. Chem. (ed. 5) III. 409 Family of Borosilicates. 1933 Rutherford Coll. Papers (1965) III. 343 The fact that our accelerating tube was a large cylinder of pyrex, a borosilicate glass, strengthened the supposition that the whole effect might be due to boron. 1947 Endeavour July 117/1 Potash glasses give a purer blue than the corresponding sodium glasses, and..borosilicates yield a reddish hue. 1965 Phillips & Williams Inorg. Chem. I. xiv. 553 Soda glass is conveniently worked at a lower temperature than borosilicate glass, and the latter at a lower temperature than quartz glass. |