guaranine

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English[edit]

Etymology[edit]

From guarana +‎ -ine.

Pronunciation[edit]

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Noun[edit]

guaranine (uncountable)

  1. Caffeine extracted from guarana.
    • 2007 July 12, Anna Jane Grossman, “Black for Me, Light for My Hips”, New York Times:
      V-tonic Bath Spheres by Fresh contains a cola-nut extract that the company promises will energize the skin, and Kiss My Face’s Wake Up toothpaste has guaranine, a form of caffeine found in guarana seeds.