Also found in: Thesaurus, Medical, Acronyms, Wikipedia.


Relating to or being a hydrocarbon unit, C3H7, that can occur as a substituent in an organic compound or as an ion or radical.

pro·pyl′ic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) (modifier) of, consisting of, or containing the monovalent group of atoms C3H7-: a propyl group or radical.
[C19: from prop(ionic acid) + -yl]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈproʊ pɪl)

either of two univalent isomeric groups with the formula C3H7.
[1840–50; prop(ionic acid) + -yl]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.propyl - the monovalent organic group C3H7- obtained from propane
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Request TOC of this Report- Ethoxypropanol, also known as propylene glycol ether, is a precursor of a number of organic chemicals including isopropylamines, isopropyl esters, propyl acetate and others.
To examine potential contamination of specimens, we also compared the distributions of free phenol and paraben concentrations as a percentage of the total concentration for the five compounds with sufficient detection: BPA, butyl paraben, methyl paraben, propyl paraben, and benzophenone-3.
Aqueous emulsion of propyl isothiocyanate at concentrations: 0, 0.01, 0.1, and 1 mM were prepared and aseptically (cabinet laminar) using a sterile syringe was treated on seedlings in containers.
Except for normal propyl alcohol, all the major components of fusel oil--isobutyl, isoamyl and active amyl alcohols--contain the carbon skeletons of a biosynthetically related group of amino acids (sometimes called the branched-chain amino acids): valine, leucine and isoleucine, respectively.
Of these compounds only propyl gallate and TBHQ were able to inhibit lipid oxidation in cooked ground beef.
The broth had been supplemented with either L-ascorbic acid or propyl gallate alone or in combination with lactic acid.
Manufacturers routinely add the artificial preservative, propyl gallate to prevent unwanted oxidation of omega-3 fatty acids and/or vitamin E.
The curves show minima with almost no sonication effect for ethyl and propyl acetates while the more hydrophobic ester, n-butyl n acetate, may show a minimum at a higher ethanol content.
Products: E-Series glycol ethers products, including: Butyl Cellosolve[TM] solvent (EB), Butyl Carbitol[TM] solvent (DB), Butyl Cellosolve acetate (EB acetate), Butyl Carbitol (DB acetate), Butoxytriglycol (BTG), Solvent GP, Butoxypolyglycol Basic, Carbitol solvent (DE), Ethoxytriglycol (ETG), Ethoxypolyglycol (EPG), Methyl Carbitol (DM), Methyl Carbitol fuel additive grade, Methyoxytriglycol (MTG), DALPAD[R] A, DOWANOL[R] EPH, DOWANOL EPH low phenol, Hexyl Cellosolve, Hexyl Carbitol, and Propyl Cellosolve solvent (EP)
The former EC Scientific Committee for Food (SCF) evaluated the parabens in 1994 and allocated a temporary group ADI of 0-10 mg/kg bw (milligrams/kilogramme body weight), for the sum of methyl, ethyl and propyl p-hydroxybenzoic acid esters and their sodium salts.
Kingsport, TN-based Eastman Chemical Company has introduced Methyl Propyl Ketone, its non-HAP solvent for pre-saturated industrial wipes.
Peak concentrations of propyl nitrate and butyl nitrate in south-central Kansas were 51 and 68 parts per trillion, respectively.