from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A rigid clear thermoplastic polymer that can be molded into objects or made into a foam that is used to insulate refrigerators.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A vinylic polymer of styrene, CH2CHphenyl.
  • n. An alkane chain of benzene molecules, RCH2CHphenylR.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a polymer of styrene; a rigid transparent thermoplastic


from Wiktionary, Creative Commons Attribution/Share-Alike License

poly- +‎ styrene


  • Four nearly identical, 1976 preparatory stages of "Knife Edge Mirror Two Piece" are all about a foot tall: two plaster models, one of them marked into numbered sections; a model in polystyrene and a bronze version, with a warm and glowing satiny brown-gold patina.

    The Origins of Henry Moore

  • This highly durable spawn of the 20th century, also known as polystyrene, is manufactured using benzene, from coal; styrene, from petroleum; and ethylene, a "blowing agent" used in the process since the crackdown on CFCs.

    Simran Sethi: Life Cycle: Styrofoam: Mark of the Plastic Beast

  • They're made of polystyrene, which is quite interesting that they're managing to remain upright of their volition in the cold weather that you can see.

    CNN Transcript Nov 9, 2009

  • My new one scores eco-points for its compact box - the smaller the boxes, the fewer trucks and shipping containers will be needed to transport them, and the less fuel consumed - only to lose points for padding the boxes with molded polystyrene, which is neither biodegradable nor easily recyclable.

    NYT > Home Page

  • And on that subject, I have just two teeny weeny uninvited editorial comments: one, the only American who appears in the book and then only very briefly uses the word "polystyrene" for "styrofoam" and "stone" for the "pit" of a cherry.

    Archive 2006-08-01

  • Benzene, of course, is a key feedstock that makes its way into plastics such as polystyrene and expanded polystyrene as well butadiene rubber and polycarbonates.

    Purchasing - Top Stories

  • They found that the antigens, when presented on the surface of the nanotubes, stimulated T cell response far more effectively than coating other substrates such as polystyrene in the antigens, even though the total amount of antigens used remained the same. - latest science and technology news stories

  • Some items of rubbish, such as polystyrene and rubber fragments, could not be sourced.

    British Blogs

  • He has worked in various mediums such as polystyrene, plastic, wood, metal and plaster in 3D.


  • "Besides being compliant with the stringent EN 13427 standard, the certification notes that our SUPER 8 loosefill is made of 100% recycled polystyrene which is a valuable product feature because it means a seldom recycled waste product is diverted from landfill," says Michael Kaminski, FP International Senior Vice President, Worldwide Engineering and R&D.

    The Earth Times Online Newspaper


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