请输入您要查询的英文单词:

 

单词 terephthalic acid
释义

Definition of terephthalic acid in English:

terephthalic acid

nounˌtɛrəfˈθalɪkˌterəfˌTHalik ˈasid
mass nounChemistry
  • A crystalline organic acid used in making polyester resins and other polymers.

    The para-isomer of phthalic acid; chemical formula: C₆H₄(COOH)₂

    Example sentencesExamples
    • 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.

Origin

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

 
 

Definition of terephthalic acid in US English:

terephthalic acid

nounˌterəfˌTHalik ˈasid
Chemistry
  • A crystalline organic acid used in making polyester resins and other polymers.

    The para-isomer of phthalic acid; chemical formula: C₆H₄(COOH)₂

    Example sentencesExamples
    • John R. Whinfield and J. Dickson continued Carother's research and made a polyester with terephthalic acid in 1941.
    • Polyesters were first produced in England in 1941 by condensing ethylene glycol with terephthalic acid.
    • 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.

Origin

Mid 19th century: blend of terebic ‘of or from turpentine’ (from terebinth) and phthalic acid.

 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/10 14:40:23