Standard Lemma guide

reducible

adj · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: R AH0 D UW1 S AH0 B AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Capable of being reduced.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Able to be factored into polynomials of lower degree, as x2-1.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Able to be factored into smaller integers; composite.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Containing a sphere of codimension 1 that is not the boundary of a ball.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences, topology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adjective

Meaning 5

capable of being reduced- Edmund Wilson

Definition source: Princeton WordNet 3.0

Examples

  • reducible to a set of principles of human nature

Meaning relationships

Synonyms: none provided

Antonyms: irreducible

History

Etymology

Etymology tree English reduce Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ibilis Old French -ibleder. Middle English -ible English -ible English reducible From reduce + -ible.

Across languages

Translations

21 source translations are retained for this English entry.

  • Catalan: reductible — capable of being reduced
  • Hungarian: csökkenthető — capable of being reduced
  • Hungarian: egyszerűsíthető — capable of being reduced
  • Italian: riducibile — capable of being reduced
  • Japanese: 減らせる (heraseru) — capable of being reduced
  • Manx: yn-leodaghey — capable of being reduced
  • Portuguese: reduzível — capable of being reduced
  • Portuguese: redutível — capable of being reduced
  • Romanian: reductibil — capable of being reduced
  • Romanian: micșorabil — capable of being reduced
  • Romanian: diminuabil — capable of being reduced
  • Serbo-Croatian: сво̀дљив — capable of being reduced
  • Serbo-Croatian: svòdljiv — capable of being reduced
  • Spanish: reducible — capable of being reduced
  • Spanish: reductible — capable of being reduced
  • Esperanto: reduktebla — able to be factored into polynomials of lower degree
  • French: réductible — able to be factored into polynomials of lower degree
  • Japanese: 可約の (kayaku no) — able to be factored into polynomials of lower degree
  • Portuguese: fatorizável — able to be factored into polynomials of lower degree
  • Spanish: reducible — able to be factored into polynomials of lower degree
  • Japanese: 可約の (kayaku no) — able to be factored into smaller integers; composite