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 In San Diego county, other cities with polystyrene bans are Encinitas, Solana Beach, Del Mar and Imperial Beach. — David Garrick, San Diego Union-Tribune, "San Diego launching analysis that could revive controversial polystyrene foam ban," 31 Dec. 2020 The Container Store has a clear polystyrene Palaset letter sorter for $5.99 (5-1/8 inches square by 2-1/8 inches high). — oregonlive, "Easily upgrade your home desk: Get organized, comfortable in 2021," 12 Jan. 2021 New Jersey’s new law also bans disposable polystyrene foam food containers. — Nathan Bomey, USA TODAY, "Plastic bags, forks and containers are everywhere during the pandemic, increasing pollution," 12 Dec. 2020 The city of Ventura is proceeding with plans to regulate the use of polystyrene, popularly known by the brand name Styrofoam, from local restaurants and businesses. — Hayley Smith, Los Angeles Times, "City of Ventura moves forward with polystyrene regulation," 30 Oct. 2020 These machines sprayed tiny particles of polystyrene latex, which is commonly used to simulate respiratory droplets. — Popular Science, "COVID-19 continues to make flying a risky proposition," 21 Oct. 2020 Dennis Hart, the executive director of the Chemistry Council of New Jersey, said that legislators rushed through the passage of the bill without carefully considering the relative benefits of polystyrene products compared to alternatives. — Mihir Zaveri, New York Times, "Even Paper Bags Will Be Banned From N.J. Supermarkets," 25 Sep. 2020 The ban on polystyrene was delayed from June until October to lessen the burden on the state’s restaurant industry, which has been reeling from the impact of the coronavirus pandemic. — Washington Post, "Tougher hate crime laws in Maryland, higher gas taxes in D.C. and more liberal scooter laws in Virginia," 30 Sep. 2020 But by banning both plastic and paper single-use bags, as well as disposable food containers and cups made out of polystyrene foam, environmental advocates said the New Jersey bill is among the most stringent in the U.S. — Star Tribune, "New Jersey cracks down on the use of paper, plastic bags," 25 Sep. 2020

These 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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Last Updated

17 Feb 2021

Cite this Entry

“Polystyrene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polystyrene. Accessed 7 Mar. 2021.

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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