propylene

[ proh-puh-leen ]

/ ˈproʊ pəˌlin /

Chemistry

adjective

noun

Also propene. a colorless, flammable gas, C3H6, of the olefin series: used chiefly in organic synthesis.

Nearby words

propyl alcohol, propyl aldehyde, propyl group, propyla, propylaeum, propylene, propylene glycol, propylene group, propylhexedrine, propylic, propyliodone

Origin of propylene

First recorded in 1840–50; propyl + -ene

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for propylene

One key ingredient of the stuff: Propylene glycol, a synthetic liquid that absorbs water.
Europeans Recall Fireball Whiskey Over a Sweetener Also Used in Antifreeze|Tim Mak|October 28, 2014|DAILY BEAST
Propylene glycol is used for a variety of industrial, cosmetic, and food production uses.
Europeans Recall Fireball Whiskey Over a Sweetener Also Used in Antifreeze|Tim Mak|October 28, 2014|DAILY BEAST
The European formula for Fireball has even less: under one gram per kilogram of propylene glycol.
Europeans Recall Fireball Whiskey Over a Sweetener Also Used in Antifreeze|Tim Mak|October 28, 2014|DAILY BEAST
Propylene glycol has been used as the base for fog machine liquids and in nebulizers for decades.
My (Electronic) Cigarette Addiction|Eli Lake|January 31, 2013|DAILY BEAST

The major point is that we have no studies that show the safety of propylene glycol when inhaled over the long term.
My (Electronic) Cigarette Addiction|Eli Lake|January 31, 2013|DAILY BEAST
Insofar as ease of detonation is concerned, 1,2-butylene oxide has about 65 the same explosive limits as propylene oxide.
U.S. Patent 4,293,314: Gelled Fuel-Air Explosive|Bertram O. Stull
One drawback, common to both ethylene oxide and propylene oxide, is toxicity.
U.S. Patent 4,293,314: Gelled Fuel-Air Explosive|Bertram O. Stull
Tests have shown that, insofar as ease of detonation is concerned, 1,2-butylene oxide is similar to propylene 30 oxide.
U.S. Patent 4,293,314: Gelled Fuel-Air Explosive|Bertram O. Stull
Propylene oxide is less toxic than ethylene oxide but is still highly toxic.
U.S. Patent 4,293,314: Gelled Fuel-Air Explosive|Bertram O. Stull

British Dictionary definitions for propylene

propylene

/ (ˈprəʊpɪˌliːn) /

noun

another name for propene

Word Origin for propylene

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

Medicine definitions for propylene

propylene

[ prō′pə-lēn′ ]

n.

A flammable gas derived from processing petroleum hydrocarbon and used in organic synthesis.propene

Science definitions for propylene

propylene

[ prō′pə-lēn′ ]

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.