silex

noun

si·lex | \ ˈsī-ˌleks

Definition of silex

: silica or a siliceous material (such as powdered tripoli) especially for use as a filler in paints or wood

Recent Examples on the Web

Pompeii's streets were paved with silex, or cooled lava stone. — David Grossman, Popular Mechanics, "Just Like Us, Pompeii Also Struggled With Potholes," 15 May 2019

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More Definitions for silex

silex

noun

si·lex | \ ˈsī-ˌleks

: silica or a siliceous material especially for use as a filler in paints or wood or as a dental material