Theine

//ˈθiː.iːn// noun

Definitions

Noun
  1. 1
    Caffeine when present in tea. uncountable

    "Caffeine is called guaranine when found in guarana, mateine when found in mate and theine when found in tea. There is far more caffeine in coffees than in teas."

  2. 2
    Obsolete form of thane. alt-of, obsolete
  3. 3
    caffeine when present in tea. wordnet

Etymology

From French théine.

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