CHERT

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Variety of silica containing microcrystalline quartz

Classified under:

Nouns denoting substances

Hypernyms ("chert" is a kind of...):

silica; silicon dioxide; silicon oxide (a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite)

Hyponyms (each of the following is a kind of "chert"):

taconite (a variety of chert containing magnetite and hematite; mined as a low-grade iron ore)

Derivation:

cherty (resembling or containing chert)

Credits