- containing the propylene group.
- Also propene. a colorless, flammable gas, C3H6, of the olefin series: used chiefly in organic synthesis.
Origin of propylene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for propylene
One key ingredient of the stuff: Propylene glycol, a synthetic liquid that absorbs water.
Propylene glycol is used for a variety of industrial, cosmetic, and food production uses.
The European formula for Fireball has even less: under one gram per kilogram of propylene glycol.
Propylene glycol has been used as the base for fog machine liquids and in nebulizers for decades.
The major point is that we have no studies that show the safety of propylene glycol when inhaled over the long term.
Insofar as ease of detonation is concerned, 1,2-butylene oxide has about 65 the same explosive limits as propylene oxide.
Tests have shown that, insofar as ease of detonation is concerned, 1,2-butylene oxide is similar to propylene 30 oxide.
One drawback, common to both ethylene oxide and propylene oxide, is toxicity.
Propylene oxide is less toxic than ethylene oxide but is still highly toxic.
- another name for propene
C19: from propyl + -ene
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
- A flammable gas derived from processing petroleum hydrocarbon and used in organic synthesis.propene
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A flammable gas produced by cracking (breaking down) petroleum and used to make plastics and isopropyl alcohol. Propylene is the second member of the alkene series. Also called propene. Chemical formula: C3H6.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.