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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.
2014 August 24, Jeff Howell, “Home improvements: gravel paths and cutting heating bills ”, in The Daily Telegraph (Property):
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.
(by extension) 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.
another star reflected itself in the glassy black of the bitumened road
1937, Lady Ethel Stefana Drower, Mandaeans of Iraq and Iran, Brill Archive, →LCCN, page 122:
The Litlata community have now built a mandi set in a pleasant garden, and to ensure the cleanliness of their yardna have bricked and bitumened the pool into which the water flows
1984, Dennis Hancock, Wheels of Progress: History of the Road Transport Industry in Western Australia, 1829-1983, Access Press, →ISBN, page 145:
Work is already under way to complete the bitumening of Western Australia's last unsurfaced stretch of Highway One, between Fitzroy Crossing and Hall's Creek.
2013, Janice Cooper, Crossing the Divide: A History of Alpha and Jericho Districts, Boolarong Press, →ISBN, page 176:
The development of water reticulation occurred in parallel with street work — forming, kerbing, channelling and bitumening.
(The addition of quotations indicative of this usage is being sought:)
From *bitū + -men, from Proto-Indo-European*gʷétu(“resin, gum”), borrowed from an Osco-Umbrian language, though there exists the possibility of a Celtic borrowing (compare Latin betulla, which is a Celtic borrowing from the same ultimate origin), where the shift of *gʷ > *b is regular. The raising of the first vowel might come from the Osco-Umbrian variety, or have been developed in Latin, as occasionally happens after labials; compare firmus, vitulus. Cognate with Scottish Gaelicbìth(“resin, gum”), Englishcud, Sanskritजतु(jatu, “lac, gum”).
^ De Vaan, Michiel (2008) “bitūmen, -minis”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 72–73