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heptane

[hep-teyn] /ˈhɛp teɪn/
noun
1.
any of nine isomeric hydrocarbons, C 7 H 16 , of the alkane series, some of which are obtained from petroleum: used in fuels as solvents, and as chemical intermediates.
Origin
1870-1875
1870-75; hept- + -ane
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for heptane
  • The above image shows a three-millimeter-wide droplet of heptane fuel burning in microgravity.
  • Effect of precipitation temperature on the composition of n-heptane asphaltenes.
British Dictionary definitions for heptane

heptane

/ˈhɛpteɪn/
noun
1.
an alkane existing in nine isomeric forms, esp the isomer with a straight chain of carbon atoms (n-heptane), which is found in petroleum and used as an anaesthetic. Formula: C7H16
Word Origin
C19: from hepta- + -ane, so called because it has seven carbon atoms
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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heptane in Science
heptane
  (hěp'tān')   
A volatile, colorless, highly flammable liquid hydrocarbon obtained in the fractional distillation of petroleum. It is used as a standard in determining octane ratings (combustion characteristics), as an anesthetic, and as a solvent. Heptane is the seventh member of the alkane series. Chemical formula: C7H16.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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