Function: noun
Date: 1933
: a silicate glass that is composed of at least five percent oxide of boron and is used especially in heat-resistant glassware
Function: noun
Date: 1933
: a silicate glass that is composed of at least five percent oxide of boron and is used especially in heat-resistant glassware
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012