Definition of oolong in English:

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Pronunciation: /ˈo͞olôNG/


A dark-colored China tea made by fermenting the withered leaves to about half the degree usual for black teas.
Example sentences
  • Whether they're black, green, white or oolong, true tea leaves contain powerful antioxidants that act as nature's own disease fighters.
  • Imported teas contain far less caffeine than U.S. black teas: half as much in oolong and one-third as much in green teas.
  • There are three primary types of tea - green, oolong and black.


Mid 19th century: from Chinese wūlóng, literally 'black dragon'.

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