reducible

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adjective

Capable of being reduced.

Opposite
irreducibleincreasable
OriginEnglish reduce ← Middle English reducen ← Old French reduire →
UncommonScrabble 14
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Meanings

adjectivereducible (comparative more reducible, superlative most reducible)

comparative more reducible · superlative most reducible

  1. Capable of being reduced.
  2. mathematicsAble to be factored into polynomials of lower degree, as x²-1.
  3. mathematicsAble to be factored into smaller integers; composite.
  4. mathematicsContaining a sphere of codimension 1 that is not the boundary of a ball.

Synonyms & antonyms

Opposite
irreducibleincreasable

adjectivecapable of being reduced

Opposite
irreducible

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Old Frenchreduire
  2. Middle Englishreducen
  3. Englishreduce
  4. Englishreducible

From reduce + -ible.

Full word history & related roots →

Translations

Catalan reductible
  • reductiblecapable of being reduced
Esperanto reduktebla
  • redukteblaable to be factored into polynomials of lower degree
French réductible
  • réductibleable to be factored into polynomials of lower degree
Hungarian csökkenthető, egyszerűsíthető
  • csökkenthetőcapable of being reduced
  • egyszerűsíthetőcapable of being reduced
Italian riducibile
  • riducibilecapable of being reduced
Japanese 減らせる, 可約の
  • 減らせる (heraseru)capable of being reduced
  • 可約の (kayaku no)able to be factored into polynomials of lower degree
  • 可約の (kayaku no)able to be factored into smaller integers; composite
Portuguese reduzível, redutível
  • reduzívelcapable of being reduced
  • redutívelcapable of being reduced
  • fatorizávelable to be factored into polynomials of lower degree
Romanian reductibil, micșorabil
  • reductibilcapable of being reduced
  • micșorabilcapable of being reduced
  • diminuabilcapable of being reduced
Spanish reducible, reductible
  • reduciblecapable of being reduced
  • reductiblecapable of being reduced
  • reducibleable to be factored into polynomials of lower degree
Cite this entry
APA

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

MLA

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

Chicago

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

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