noun \ˈchərt, ˈchat\

Definition of CHERT

:  a rock resembling flint and consisting essentially of a large amount of fibrous chalcedony with smaller amounts of cryptocrystalline quartz and amorphous silica
cherty \ˈchər-tē, ˈcha-\ adjective

Origin of CHERT

origin unknown
First Known Use: 1679


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