biosimilar

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noun

A variant of a biopharmaceutical that is marketed following the expiry of the original patent.

OriginEnglish similar ← Ancient Greek βῐο- (bĭo-) ← Proto-Indo-European *gʷeyh₃- →
Scrabble 14
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Meanings

nounbiosimilar (plural biosimilars)

plural biosimilars

  1. medicineA variant of a biopharmaceutical that is marketed following the expiry of the original patent.

Synonyms & antonyms

Also see
biocomparable

Origin

  1. Proto-Indo-European*gʷeyh₃-
  2. Ancient Greekβῐ́ος (bĭ́os)
  3. Ancient Greekβῐο- (bĭo-)
  4. Englishbio-
  5. Englishsimilar
  6. Englishbiosimilar

From bio- + similar.

Full word history & related roots →

Translations

Finnish biosimilaari
  • biosimilaarivariant of a biopharmaceutical
Spanish biosimilar
  • biosimilarvariant of a biopharmaceutical
Cite this entry
APA

biosimilar. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/biosimilar

MLA

“biosimilar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/biosimilar. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “biosimilar,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/biosimilar.

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