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petroleum ether

noun
1.
a flammable, low-boiling hydrocarbon mixture produced by the fractional distillation of petroleum, used as a solvent.
Origin of petroleum ether
1865-1870
First recorded in 1865-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for petroleum ether
Historical Examples
  • Then add about 60 cubic centimeters of ether, petroleum ether or 86 degs.

    Soap-Making Manual E. G. Thomssen
  • petroleum ether—Redistilled petroleum ether, boiling under 75° C., shall be used.

    Soap-Making Manual E. G. Thomssen
  • Draw off the petroleum ether layer as closely as possible by means of a slender glass siphon into a separatory funnel of 500 cc.

    Soap-Making Manual E. G. Thomssen
  • petroleum ether, on the other hand, only slightly dissolves it in the cold, more on warming.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • On evaporation of the petroleum ether, the nitro-benzene is left, perhaps mixed with fatty matters.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • petroleum ether dissolves it by the aid of heat, but the alkaloid separates in crystals on cooling.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • Chloroform dissolves thebaine with difficulty out of both acid and alkaline solutions; petroleum ether extracts it from neither.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • Quebrachine may be extracted from an acid solution by chloroform, but not by petroleum ether.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • Aconine is very soluble in water or alcohol, and slightly in chloroform, but insoluble in ether or in petroleum ether.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • The substance is first exhausted by petroleum ether, which frees it from fat; after drying, it is extracted with 85 per cent.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
British Dictionary definitions for petroleum ether

petroleum ether

noun
1.
a volatile mixture of the higher alkane hydrocarbons, obtained as a fraction of petroleum and used as a solvent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for petroleum

13
17
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