chert

 : 
Noun

WORDNET DICTIONARY

Noun chert has 1 sense

CIDE DICTIONARY

chertn. [Ir. ceart stone, perh. akin to E. crag.].
     An impure, massive, flintlike quartz or hornstone, of a dull color.  [1913 Webster]

OXFORD DICTIONARY

chert, n. a flintlike form of quartz composed of chalcedony.

Derivative
cherty adj.
Etymology
17th c.: orig. unkn.

For further exploring for "chert" in Webster Dictionary Online


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