oil shale

oil shale
O o


    • US Pronunciation
    • US IPA
    • [oil sheyl]
    • /ɔɪl ʃeɪl/
    • US Pronunciation
    • US IPA
    • [oil sheyl]
    • /ɔɪl ʃeɪl/

Definitions of oil shale words

  • noun oil shale a black or dark-brown shale or siltstone rich in bitumens, from which shale oil is obtained by destructive distillation. 1
  • noun oil shale a fine-grained shale containing oil, which can be extracted by heating 0
  • noun oil shale shale containing hydrocarbons which can be extracted, esp. by distillation 0

Information block about the term

Origin of oil shale

First appearance:

before 1870
One of the 26% newest English words
First recorded in 1870-75

Historical Comparancy

Parts of speech for Oil shale


oil shale popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 40% of English native speakers know the meaning and use word.
According to our data about 58% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

oil shale usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

Matching words

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