phthalaten.

Brit.

/ˈ(f)θaleɪt/, U.S.

/ˈθæˌleɪt/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: phthalic adj., -ate suffix⁴.

Etymology: < phthal- (in phthalic adj.) + -ate suffix⁴, after French phtalate (1854 or earlier; shortened < naphtalate naphthalate n.).With the shortening of French naphtalate compare phthalic adj. and discussion at that entry.

Chemistry.

A salt or ester of phthalic acid.

ΚΠ

1863 A. W. Hofmann in Proc. Royal Soc. 12 639 Treating with boiling water, which dissolves the phthalate of lime.

1875 H. Watts Dict. Chem.: 2nd Suppl. 977 Potassium phthalate is easily decomposed [by an electric current].

1927 Industr. & Engin. Chem. 19 504/1 Phthalates and citrates are good buffers between pH 4 and 5.

1949 Science 28 Oct. 447/2 Citrate, glucose, trisodium phosphate, and potassium hydrogen phthalate at some pH values give rise to a deep purple color.

1994 Times 25 Oct. 10/6 Phthalates are used in the printing and plastics industries, and have been linked with testicular damage.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	phthalate
释义	phthalaten. Brit. /ˈ(f)θaleɪt/, U.S. /ˈθæˌleɪt/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: phthalic adj., -ate suffix⁴. Etymology: < phthal- (in phthalic adj.) + -ate suffix⁴, after French phtalate (1854 or earlier; shortened < naphtalate naphthalate n.).With the shortening of French naphtalate compare phthalic adj. and discussion at that entry. Chemistry. A salt or ester of phthalic acid. ΚΠ 1863 A. W. Hofmann in Proc. Royal Soc. 12 639 Treating with boiling water, which dissolves the phthalate of lime. 1875 H. Watts Dict. Chem.: 2nd Suppl. 977 Potassium phthalate is easily decomposed [by an electric current]. 1927 Industr. & Engin. Chem. 19 504/1 Phthalates and citrates are good buffers between pH 4 and 5. 1949 Science 28 Oct. 447/2 Citrate, glucose, trisodium phosphate, and potassium hydrogen phthalate at some pH values give rise to a deep purple color. 1994 Times 25 Oct. 10/6 Phthalates are used in the printing and plastics industries, and have been linked with testicular damage. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1863
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