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styrene

American  
[stahy-reen, steer-een] / ˈstaɪ rin, ˈstɪər in /

noun

Chemistry.
  1. a colorless, water-insoluble liquid, C 8 H 8 , having a penetrating aromatic odor, usually prepared from ethylene and benzene or ethylbenzene, that polymerizes to a clear transparent material and copolymerizes with other materials to form synthetic rubbers.


styrene British  
/ ˈstaɪriːn /

noun

  1. 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: C 6 H 5 CH:CH 2 See also polystyrene

"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

styrene Scientific  
/ stīrēn′ /
  1. A colorless, oily aromatic hydrocarbon that readily undergoes polymerization. It is used in making polystyrene, polyesters, synthetic rubber, and other products. Chemical formula: C 8 H 8 .


Etymology

Origin of styrene

First recorded in 1880–85; from Latin styr- stem of styrax ( storax ( def. ) ) + -ene

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To explore further, the researchers tested another simple liquid, styrene oligomer, with the same viscosity.

From Science Daily • Mar. 30, 2026

In both dispersions, the base polymer was a copolymer composed of the inexpensive, commercially available components styrene and butyl acrylate.

From Science Daily • Nov. 13, 2023

Grist observed roughly nine train cars marked with a hazard placard for the industrial chemical styrene monomer, an explosive "probable human carcinogen" used to make rubber and other plastics.

From Salon • Jul. 12, 2023

They were also able to add more stabilizer to the styrene, he said.

From Los Angeles Times • Aug. 13, 2022

The gas that leaked from the factory was styrene, which is used to make plastic and rubber.

From Seattle Times • Jan. 5, 2022