silex
[
sahy
-leks]
/ˈsaɪ lɛks/
noun
1.
flint; silica.
Origin
1585-95;
<
Latin
silex,
stem
silic-
hard stone, flint, boulder
British Dictionary definitions for
silex
silex
/
ˈsaɪlɛks
/
noun
1.
a type of heat-resistant glass made from fused quartz
Word Origin
C16: from Latin: hard stone, flint