hornstone

Noun

Meaning

A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- called also chert.

Source: Webster's dictionary

Synonyms

hornfels silex silica chert taconite

Hypernyms

metamorphic rock

Close letter words and terms

hornsnake Hornstein Hornstein-Knickenberg syndrome hornswoggle hornswoggler horntail