: any of various salts or esters of phthalic acid used especially as plasticizers and in solvents

Examples of phthalate in a Sentence

Recent Examples on the Web
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Being a cruelty-free company with mostly vegan options, Sol de Janeiro creates clean products that are free of parabens, sulfates and phthalates. Bestreviews, Mercury News, 9 July 2026 The Kitsch Rosemary and Biotin Shampoo Bar—which is free of sulfates, parabens, silicones, phthalates, and artificial fragrances—has garnered a large fan base with over 8,000 shoppers in the past month alone and for good reason. Tessa Petak, InStyle, 4 July 2026 Testing found one chemical in all of the chickens except ShopRite’s – phthalates. Saleen Martin, USA Today, 30 June 2026 The oil-free formula dissolves makeup without using fragrances, parabens, phthalates, alcohol, or other unwanted ingredients. Caley Sturgill, Southern Living, 26 June 2026 See All Example Sentences for phthalate

Word History

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of phthalate was in 1863

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Cite this Entry

“Phthalate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phthalate. Accessed 19 Jul. 2026.

Medical Definition

: a salt or ester of phthalic acid
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