Bitumen

//ˈbɪt.jʊ.mɪn// noun, verb, slang

noun, verb, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    A sticky, black, highly viscous liquid or semi-solid form of petroleum, burning with a bright flame. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian Seas. It is used in cements, in the construction of pavements, etc.; Mineral pitch. countable, uncountable

    "You need to excavate and remove the topsoil, line the subsoil with a geotextile, then lay and compact hardcore. Follow this with a layer of compacted "hoggin" – compacted clay, gravel and sand. This is then sprayed with hot bitumen, and has a layer of pea shingle rolled into it."

  2. 2
    any of various naturally occurring impure mixtures of hydrocarbons wordnet
  3. 3
    Any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petrolea, and even the light, volatile naphthas. broadly, countable, uncountable
  4. 4
    Roads sealed with bitumen, as opposed to dirt roads. Australia, colloquial, countable, uncountable
  5. 5
    Canadian deposits of extremely heavy crude oil. Canada, countable, uncountable
Verb
  1. 1
    To cover or fill with bitumen.

    "another star reflected itself in the glassy black of the bitumened road"

Example

More examples

"I loathe these times like bitumen."

Etymology

From Middle English bithumen, bitumen, from Latin bitūmen. Doublet of bitume.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.