as·phal·tene

[as-fawl-teen or, esp. British, -fal-]
noun Chemistry.
any of the constituents of a bitumen, as asphalt, that are insoluble in pentane, hexane, or naphthalene.
Compare petrolene.


Origin:
1830–40; asphalt + -ene

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00:10
Asphaltene is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
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Example sentences
The spilled oil is a waxy, light condensate crude with almost no asphaltene
  content.
Asphaltene fraction are easily caused the coke formation during the thermal
  cracking.
Oil is defined here as a hexane-soluble fraction and asphaltene as
  benzene-soluble, hexane-insoluble fraction.
The asphaltene contents in three reaction systems are changed in the similar
  tendency with cracked residue proportions.
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