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单词 phthalide
释义

Definition of phthalide in English:

phthalide

noun ˈ(f)θeɪlʌɪdˈ(f)θalʌɪd
Chemistry
  • †(a) Phthalic anhydride. Obsolete. (b) A lactone, C₆H₄(CH₂)(CO)O, obtainable by the reduction of phthalic anhydride.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From phthal- + -ide. Compare French phtalide.

Definition of phthalide in US English:

phthalide

noun
Chemistry
  • †(a) Phthalic anhydride. Obsolete. (b) A lactone, C₆H₄(CH₂)(CO)O, obtainable by the reduction of phthalic anhydride.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From phthal- + -ide. Compare French phtalide.

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更新时间:2025/1/31 1:46:22