polystyrene
noun
poly·sty·rene
| \ ˌpä-lē-ˈstī-ˌrēn
\
\
Definition of polystyrene
: a polymer of styrene
especially
: a rigid transparent thermoplastic that has good physical and electrical insulating properties and is used especially in molded products, foams, and sheet materials
Examples of polystyrene in a Sentence
Recent Examples on the Web
Maine has a ban on single-use polystyrene containers. — Sarah Gibbens, National Geographic, "See the complicated landscape of plastic bans in the U.S.," 15 Aug. 2019 Every day millions of plastic bags and polystyrene cups and takeout containers are used in the retail and food-service industry. — Dp Opinion, The Denver Post, "Letters: Climate science says act now; No jobs, no illegal immigration; more responses (8/13/19)," 13 Aug. 2019 Studies on what winds up in domestic rivers and lakes suggest us that the plastic pollution is mostly polystyrene and microbeads. — Stephen L. Carter, Twin Cities, "Stephen L. Carter: Get off the bandwagon of banning plastic bags," 7 Aug. 2019 The City Council unanimously voted last week to direct city staff to hire a consultant that can help develop a ban on expanded polystyrene, commonly known as Styrofoam, over the next year. — Los Angeles Times, "Burbank officials target polystyrene, single-use products in proposed ban," 31 July 2019 The City Council unanimously voted last week to direct city staff to hire a consultant that can help develop a ban on expanded polystyrene, commonly known as Styrofoam, over the next year. — Anthony Clark Carpio, Burbank Leader, "Burbank officials target polystyrene, single-use products in proposed ban," 30 July 2019 His team did it in a lab, mounting aerogel particles and tiles inside a polystyrene box and then shining a light attenuated to approximate the Martian spectrum and flux. — Matt Simon, WIRED, "Headed to Mars? Pack Some Aerogel—You Know, for Terraforming," 15 July 2019 Large private food retailers like McDonald’s, Dunkin’ Donuts, Jamba Juice, and Chick-fil-A already have phased out polystyrene products or plan to phase them out or implement new recycling processes. — Camille Harmer, Fortune, "How Banning Plastic Straws Could Make Pollution Even Worse," 12 July 2018 Surfrider is also engaged in campaigns to ban single-use plastic bags and polystyrene products to fight local beach and water pollution under its Rise Above Plastics program. — Joshua Emerson Smith, sandiegouniontribune.com, "Surfrider, volunteers prepare for post-Fourth of July beach cleanup," 3 July 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polystyrene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for polystyrene
polystyrene
noun
poly·sty·rene
| \ ˌpäl-i-ˈstī(ə)r-ˌēn
\
\
Medical Definition of polystyrene
: a polymer of styrene
especially
: a rigid transparent thermoplastic that has good physical and electrical insulating properties and is used especially in molded products, foams, and sheet materials