SHALE

Pronunciation (US): (GB):

Meaning:

A sedimentary rock formed by the deposition of successive layers of clay

Classified under:

Nouns denoting substances

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

sedimentary rock (rock formed from consolidated clay sediments)

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

humic shale (shale that is rich in humic acids)

oil shale (shale from which oil can be obtained by heating)