Theine

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Theine \The"ine\, n. [F. th['e]ine, fr. NL. thea. See
     {Theiform}.] (Chem.)
     See {Caffeine}. Called also {theina}.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:



  caffein \caf*fe"in\, Caffeine \Caf*fe"ine\, n. [Cf. F.
     caf['e]ine. See {Coffee}.] (Chem.)
     A white, bitter, crystallizable substance, found in coffee
     and tea. It is identical with the alkaloid {theine} from tea
     leaves, and with {guaranine} from guarana. It is responsible
     for most of the stimulating effect of coffee or tea.
     [1913 Webster + WordNet 1.5]