释义 |
Definition of theine in English: theinenoun ˈθiːiːnˈθiːɪn mass nounCaffeine, 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: theinenoun 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. |