Definitions

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) An alkaloid extracted from guarana. Same as caffeine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Caffeine extracted from guarana.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

guarana +‎ -ine

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