propylene
containing the propylene group.
Also propene. a colorless, flammable gas, C3H6, of the olefin series: used chiefly in organic synthesis.
Origin of propylene
1Words Nearby propylene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use propylene in a sentence
N95, KN95, and surgical masks are made of multi-layered propylene plastic, which is better than cotton and other woven fabrics at filtering out the small aerosolized particles that carry the coronavirus through the air.
Here’s what the CDC is now saying about masks and respirators | Purbita Saha | January 15, 2022 | Popular-ScienceOne 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 | THE DAILY BEASTpropylene 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 DAILY BEASTThe 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 | THE DAILY BEASTpropylene 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.
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. StullInsofar 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. StullOne drawback, common to both ethylene oxide and propylene oxide, is toxicity.
U.S. Patent 4,293,314: Gelled Fuel-Air Explosive | Bertram O. Stullpropylene 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
/ (ˈprəʊpɪˌliːn) /
another name for propene
Origin of propylene
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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