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单词 methine
释义

Definition of methine in English:

methine

noun ˈmiːθʌɪnˈmɛθiːnˈmɛθʌɪn
Chemistry
  • A trivalent group or radical consisting of a carbon and a hydrogen atom, specifically the group =CH—; also called methene or methenyl. Also (especially in Dye Chemistry): designating a dye, pigment, etc., containing one or more such groups.

Origin

Late 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator. From meth- + -ine.

Definition of methine in US English:

methine

noun
Chemistry
  • A trivalent group or radical consisting of a carbon and a hydrogen atom, specifically the group =CH—; also called methene or methenyl. Also (especially in Dye Chemistry): designating a dye, pigment, etc., containing one or more such groups.

Origin

Late 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator. From meth- + -ine.

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更新时间:2025/1/31 7:00:31