Definition of "heptane" [hep•tane]

• A volatile, colorless, highly flammable liquid hydrocarbon, C7H16, obtained in the fractional distillation of petroleum and used as a standard in determining octane ratings, as an anesthetic, and as a solvent. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It is pure heptane which is the 2nd ingredient in rubber cement."
• "Modern tapes have an acrylic adhesive which responds both to heat and to heptane (rubber cement thinner) or naphtha (lighter fluid) [not at the same time!]"
• "My mad laboratory had various smell chemicals to experiment with lighter fluid, grease remover, heptane solvent etc, but I didn't WANT to experiment."