Definition of terephthalic acid in English:

terephthalic acid

Syllabification: ter·eph·thal·ic ac·id
Pronunciation: /ˌterəfˌTHalik ˈasid
 
/

noun

Chemistry
  • A crystalline organic acid used in making polyester resins and other polymers.
    • The para-isomer of phthalic acid; chemical formula: C6H4(COOH)2
    More example sentences
    • Polyesters were first produced in England in 1941 by condensing ethylene glycol with terephthalic acid.
    • John R. Whinfield and J. Dickson continued Carother's research and made a polyester with terephthalic acid in 1941.
    • Chen still plans to take back a leading role any time, including at Tuntex Petrochemicals Inc, which is a major manufacturer of purified terephthalic acid that has started to turn profitable.

Derivatives

terephthalate

Pronunciation: /ˌterəfˈTHalˌāt/
noun
More example sentences
  • The class of materials, called metal-organic frameworks, can be made from low-cost ingredients, such as zinc oxide - a common component of sunscreen - and terephthalate, which is used in plastic soda bottles.

Origin

mid 19th century: blend of terebic 'of or from turpentine' (from terebinth) and phthalic acid.

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