Main Entry: ir·re·duc·ible

Pronunciation: \ˌir-i-ˈdü-sə-bəl, -ˈdyü-\

Function: adjective

Date: 1633

1 : impossible to transform into or restore to a desired or simpler condition <an irreducible matrix>; specifically : incapable of being factored into polynomials of lower degree with coefficients in some given field (as the rational numbers) or integral domain (as the integers) <an irreducible equation>
2 : impossible to make less or smaller <an irreducible minimum>

— ir·re·duc·ibil·i·ty \-ˌdü-sə-ˈbi-lə-tē, -ˌdyü-\ noun

— ir·re·duc·ibly \-ˈdü-sə-blē, -ˈdyü-\ adverb