propylene

[proh-puh-leen]Chemistry

adjective

containing the propylene group.

noun

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

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

Contemporary Examples of 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
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
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
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
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

Historical Examples of propylene

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
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
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
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

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

propylene in Medicine

propylene

[prō′pə-lēn′]

n.

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

propylene in Science

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.