• Irreducible

    Pronunciation

    • IPA: /ˌɪrɪˈdjuːsɪbÉ™l/

    Origin

    - + reducible

    Full definition of irreducible

    Adjective

    irreducible

    1. Not able to be reduced or lessened.
    2. Not able to be brought to a simpler or reduced form.
    3. (mathematics, of a polynomial) Unable to be factorized into polynomials of lower degree, as (x^2 + 1).
    4. (mathematics, of an integer) Unable to be factored into smaller integers; prime.
    5. (topology, of a manifold) Not containing a sphere of codimension 1 that is not the boundary of a ball.
    6. (group theory, of a representation) impossible to divide further into representations of lower dimension by means of any similarity transformation

    Antonyms

    Derived terms

    Noun

    irreducible

    (plural irreducibles)
    1. (mathematics) Such a polynomial
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