chert

noun — 2 senses

noun

UK /t͡ʃɜːt/ · US /t͡ʃɝt/

Etymology Unknown.

Geography, Geology, Natural sciences Massive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral.

A flint-like tool made from chert.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.