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Relating to or being a hydrocarbon unit, C4H9, that can occur as a substituent in an organic compound or as an ion or radical.
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.


(ˈbjuːˌtaɪl; -tɪl)
(Elements & Compounds) (modifier) of, consisting of, or containing any of four isomeric forms of the group C4H9–: butyl rubber.
[C19: from but(yric acid) + -yl]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈbyu tɪl, ˈbyut l)

any of four univalent isomeric groups with the formula C4H9.
[1865–70; but (yric) + -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.butyl - a hydrocarbon radical (C4H9)
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
isobutylene - used also in making gasoline components
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
According to report published by Grand View Research,Isobutene or isobutylene is majorly utilized for the production of polybutylene (butyl rubber) and as an intermediate for manufacturing methyl tert-butyl ether.
Expansion of the current methyl tert-butyl ether (MTBE) storage and blending platform, including a dedicated cross-channel MTBE line serving vessels being loaded at Pasadena's North Docks.
Methyl Tert-Butyl Ether (MTBE) Ethyl Tert-Butyl Ether (ETBE)
One monofunctional initiator tert-butyl perpivalate (TBPPI) and bifunctional initiator 2,5-dimethylhexane-2-t-butylperoxy-5-perpivalate (DHBPPI) were utilized separately to initiate the polymerization.
Table 3; Entry 1: tert-butyl phenylcarbamate: [sup.1]H-NMR (CD[Cl.sub.3], 500 MHz): [delta] 7.3 (d, J = 7.9 Hz, 2H), 7.2 (d, J = 7.1 Hz, 2H), 7.0 (t, J = 7.1 Hz, 1H), 1.5 (s, 9H); IR (KBr): v 3310, 1688, 1533, 1440, 1150, 746, 693 [cm.sup.-1]; EIMS: m/z 193 ([M.sup.+]), 137, 93, 77, 57.
Propionaldehyde and methyl tert-butyl ether (MTBE) had two of the strongest positive associations with ASD diagnosis.
Synthesis and insecticidal activity of benzoheterocyclic analogues of N'-benzoyl-N-(tert-butyl) benzohydrazide: Part 3.
When complete, the new liquid fuels terminal will have capacity of 2.1 million barrels and a working capacity of 1.7 million barrels of gasoline, diesel, jet fuel, and methyl tert-butyl ether to supply the central region of Mexico.
3-(2-{3-(tert-Butyl)-2-hydroxy-5-methoxy-4,6-bis[2-(4oxo-4H-thieno[3,4-c]chromen-3-yl)diazenyl]phenyl}diazenyl)- 4H-thieno[3,4-c]chromen-4-one Pentahydrate (7).
The effect of hydroxyl radical scavenger (tert-butyl alcohol) on the decolorization of AO7 was firstly investigated to verify the reaction mechanism in this process.