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单词 theine
释义

Definition of theine in English:

theine

noun ˈθiːiːnˈθiːɪn
mass noun
  • Caffeine, especially when it occurs in tea.

    Example sentencesExamples
    • Analysis certificates are issued for each processed batch; these certificates also state the percentage of theine and residues still left.
    • Eventually it was shown that the theine of tea was identical with the caffeine of coffee, and the term theine was then dropped.

Origin

Mid 19th century: from modern Latin Thea (former genus name of the tea plant, from Dutch thee) + -ine4.

 
 

Definition of theine in US English:

theine

noun
  • Caffeine, especially when it occurs in tea.

    Example sentencesExamples
    • Eventually it was shown that the theine of tea was identical with the caffeine of coffee, and the term theine was then dropped.
    • Analysis certificates are issued for each processed batch; these certificates also state the percentage of theine and residues still left.

Origin

Mid 19th century: from modern Latin Thea (former genus name of the tea plant, from Dutch thee) + -ine.

 
 
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更新时间:2024/12/23 20:31:55