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单词 pyrobitumen
释义

Definition of pyrobitumen in English:

pyrobitumen

noun ˌpʌɪrə(ʊ)ˈbɪtʃʊmɪnˌpʌɪrə(ʊ)ˈbɪtjʊmɪn
Geology

  • Any of a class of bituminous hydrocarbons which differ from the bitumens proper in being relatively hard, infusible, and insoluble in organic solvents.

Origin

Mid 19th century (in an earlier sense). From pyro- + bitumen.

 
 

Definition of pyrobitumen in US English:

pyrobitumen

noun
Geology

  • Any of a class of bituminous hydrocarbons which differ from the bitumens proper in being relatively hard, infusible, and insoluble in organic solvents.

Origin

Mid 19th century (in an earlier sense). From pyro- + bitumen.

 
 
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更新时间：2025/2/7 11:42:58