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asphaltene

[as-fawl-teen or, esp. British, -fal-] /æsˈfɔl tin or, esp. British, -ˈfæl-/
noun, Chemistry
1.
any of the constituents of a bitumen, as asphalt, that are insoluble in pentane, hexane, or naphthalene.
Compare petrolene.
Origin of asphaltene
1830-1840
1830-40; asphalt + -ene
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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