• Bitumens

    Pronunciation

    • RP IPA: /ˈbɪtjumÉ›nz/

    Noun

    plural

    pl
    1. Plural of bitumen
      • 1796, Antoine-François de Fourcroy, Elements of Chemistry, and Natural History: To which is Prefixed the Philosophy of Chemistry, page 209:MoÅ¿t naturaliÅ¿ts and chemiÅ¿ts aÅ¿cribe the formation of petrolea to the decompoÅ¿ition of Å¿olid bitumens by the action of Å¿ubterraneous fires.
      • 1977, The Philosophical Magazine, page 212:Thus, as I have shown that there is a sort of gradation from naphtha to asphaltum, through a series of undefinable petrolea, so this analogy may be extended to the next general variety of the bitumens, coal.
    © Wiktionary