ir·re·duc·ible /ˌɪrɪˈdusəbəl, ˈdju-/
 (a.)不能複歸的,不能削減的不可約的


 ir·re·duc·ible /ˌɪrɪˈd(j)usəbəl/ 形容詞



 irreducible
 不可約


 Ir·re·du·ci·ble a.
 1. Incapable of being reduced, or brought into a different state; incapable of restoration to its proper or normal condition; as, an irreducible hernia.
 2. Math. Incapable of being reduced to a simpler form of expression; as, an irreducible formula.
 Irreducible case Alg., a particular case in the solution of a cubic equation, in which the formula commonly employed contains an imaginary quantity, and therefore fails in its application.
 -- Ir*re*du*ci*ble*ness, n. -- -- Ir*re*du*ci*bly, adv.

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 irreducible
      adj : incapable of being made smaller or simpler; "an irreducible
            minimum"; "an irreducible formula"; "an irreducible
            hernia" [ant: reducible]