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countable and uncountable, plural asphalts
A sticky, black to brown and highly viscous liquid or semi-solid, composed almost entirely of bitumen with small mineral particles, that is present in most crude petroleums and in some natural deposits. quotations examples
Felltham wrote in the beginning of the 17th century of the “Bitumated walls of Babylon;” the source of its supply, the fountains of Is, on a tributary of the Euphrates, still yields asphalt.
1914, Thomas Hugh Boorman, Asphalts, their sources and utilizations, page 9
Ellipsis of asphalt concrete, a hard ground covering used for roads and walkways. quotations examples
Between the grey mist of rainclouds the sun suddenly appeared to mottle the wet asphalt of Marble Arch in patches of silver and ebony.
1936, F.J. Thwaites, chapter XXII, in The Redemption, Sydney: H. John Edwards, published 1940, page 214
third-person singular simple present asphalts, present participle asphalting, simple past and past participle asphalted
(transitive) To pave with asphalt. examples