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phthalate

American  
[thal-eyt, fthal-] / ˈθæl eɪt, ˈfθæl- /

noun

Chemistry.
  1. a salt or ester of phthalic acid: phthalates are used mainly, and profusely, as plasticizers and solvents, but growing concern over their environmental impact has led to interest in developing biological alternatives.


phthalate British  
/ ˈθælɪt, ˈfθæl- /

noun

  1. a salt or ester of phthalic acid. Esters are commonly used as plasticizers in PVC; when ingested they can cause kidney and liver damage

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

phthalate Scientific  
/ thălāt′,fthăl- /
  1. Any of a group of esters of phthalic acid, widely used in manufacturing plastics and as a synthetic additive in perfumes and cosmetics, that have been linked to reproductive and hormonal abnormalities in humans and other animals.


Etymology

Origin of phthalate

First recorded in 1860–65; phthal(ic) ( def. ) + -ate 2 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Further, phthalate exposure was measured in the pregnant women from just one urine sample in the first trimester, “which may have introduced exposure misclassification,” the paper notes.

From Slate Apr. 16, 2026

To avoid phthalate exposure, Trasande suggested buying fragrance-free products and avoiding foods that come in plastic packaging.

From Salon Feb. 9, 2024

After showing that the association persists at age 14, the authors state that "the impact of phthalate exposure on the brain and child cognition continues into adolescence."

From Science Daily Sep. 20, 2023

The lab report shows low levels of the chemical dibutyl phthalate, which is not linked to cancer in humans but can cause headaches, nausea, dizziness, irritation of the eyes and throat, and seizures.

From Salon Feb. 21, 2023

The diamyl phthalate is added, with or without the mineral jelly to nitro-glycerine and nitro-cellulose.

From Nitro-Explosives: A Practical Treatise by P. Gerald (Percy Gerald) Sanford

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