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A colorless oily liquid, C8H8, having a penetrating odor; the monomer for polystyrene.

[Latin styrax, storax; see storax + -ene.]
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.


(Elements & Compounds) a colourless oily volatile flammable water-insoluble liquid made from ethylene and benzene. It is an unsaturated compound and readily polymerizes: used in making synthetic plastics and rubbers. Formula: C6H5CH:CH2. See also polystyrene
[C20: from styr(ax) + -ene]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈstaɪ rin, ˈstɪər in)

a colorless, water-insoluble liquid, C8H8, that copolymerizes with other materials to form synthetic rubbers.
[1880–85; < New Latin styr(ax) (see storax) + -ene]
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.styrene - a colorless oily liquid; the monomer for polystyrene
polystyrene - a polymer of styrene; a rigid transparent thermoplastic; "expanded polystyrene looks like a rigid white foam and is used as packing or insulation"
polyvinyl resin, vinyl polymer, vinyl resin - a thermoplastic derived by polymerization from compounds containing the vinyl group
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Styrene [also known as ethenylbenzene, chemical formula [C.sub.8][H.sub.8] (or, more precisely, [C.sub.6][H.sub.5]CH = [CH.sub.2]), Chemical Abstract Service (CAS) number 100-42-5] is a hydrocarbon used in plastics, fiberglass, rubber, and resins.
The compound on the left represents the aromatic ring with branches, the naphthalene in the middle is aromatic ring, and the ethenylbenzene is the aromatic ring with alkenyl.