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We found 8 dictionaries with English definitions that include the word helenin: Click on the first link on a line below to go directly to a page where "helenin" is defined. General (7 matching dictionaries) helenin: Wordnik [home, info] Helenin, helenin: Dictionary.com [home, info] Helenin: Online Plain Text English Dictionary [home, info] helenin: Webster's Revised Unabridged, 1913 Edition [home, info] Helenin: AllWords.com Multi-Lingual Dictionary [home, info] helenin: Free Dictionary [home, info] Helenin: Dictionary/thesaurus [home, info] Medicine (1 matching dictionary) helenin: online medical dictionary [home, info]

Quick definitions (helenin) (n.) A neutral organic substance found in the root of the elecampane (Inula helenium), and extracted as a white crystalline or oily material, with a slightly bitter taste. (This definition is from the 1913 Webster's Dictionary and may be outdated.)