plasticizer

noun

plas·​ti·​ciz·​er ˈpla-stə-ˌsī-zər How to pronounce plasticizer (audio)
: one that plasticizes
specifically : a chemical added especially to rubbers and resins to impart flexibility, workability, or stretchability

Examples of plasticizer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Among the chemicals identified were benzyl chloride, a compound used in the production of sanitizers and plasticizers that is possibly carcinogenic and can cause harm to the lungs and digestive tract. Claretta Bellamy, NBC news, 12 Feb. 2026 The researchers addressed this by adding a plasticizer. Aamir Khollam, Interesting Engineering, 16 Dec. 2025 This waste contains a variety of substances—including leftover dyes, additives, plasticizers, stabilizers and degradation by-products. Alexandra Harrell, Sourcing Journal, 10 Dec. 2025 Compared to other toxins in the environment like plasticizers and pesticides, outdoor air pollution is the most harmful type based on current evidence causing millions of deaths per year. Matt Fuchs, Time, 10 Sep. 2025 See All Example Sentences for plasticizer

Word History

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of plasticizer was in 1925

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Cite this Entry

“Plasticizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plasticizer. Accessed 25 Feb. 2026.

Medical Definition

plasticizer

noun
plas·​ti·​ciz·​er
variants or British plasticiser
: a chemical added especially to rubbers and resins to impart flexibility, workability, or stretchability

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