proanthocyanidin

noun

An antioxidant flavonoid with possible health benefits, found in many plant sources, including apples, bilberry, grapeseed, pine bark, and black chokeberry.

Similar
procyanidin oligomeric proanthocyanidinOPCpycnogenolleukocyanidinleucoanthocyanin
OriginEnglish anthocyanidin ← Ancient Greek πρό (pró) ← Proto-Indo-European *pró →
Scrabble 27
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Meanings

nounproanthocyanidin (plural proanthocyanidins)

plural proanthocyanidins

  1. An antioxidant flavonoid with possible health benefits, found in many plant sources, including apples, bilberry, grapeseed, pine bark, and black chokeberry.

    Synonyms: procyanidin oligomeric proanthocyanidin, OPC, pycnogenol, leukocyanidin, leucoanthocyanin

Synonyms & antonyms

nounAn antioxidant flavonoid with possible health benefits, found in many plant sources, including apples, bilberry, grapeseed, pine bark, and black chokeberry.

Similar
procyanidin oligomeric proanthocyanidinOPCpycnogenolleukocyanidinleucoanthocyanin
Also see
pycnogenol

Origin

  1. Proto-Indo-European*per-der.?
  2. Proto-Indo-European*pér
  3. Proto-Indo-European*pró
  4. Ancient Greekπρό (pró)
  5. Englishpro-
  6. Englishantho-
  7. Englishcyanidin
  8. Englishanthocyanidin
  9. Englishproanthocyanidin

From pro- + anthocyanidin.

Full word history & related roots →
Cite this entry
APA

proanthocyanidin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/proanthocyanidin

MLA

“proanthocyanidin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/proanthocyanidin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “proanthocyanidin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/proanthocyanidin.

Source: proanthocyanidin on Wiktionary, CC BY-SA 4.0.