chert
UK /t͡ʃɜːt/ US /t͡ʃɝt/
noun 2
Definitions
noun
1
Massive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral.
2
A flint-like tool made from chert.
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noun
Massive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral.
A flint-like tool made from chert.