capable of being reduced.
2. Mathematics. a.
of or pertaining to a polynomial that can be factored into the product of polynomials, each of lower degree.
of or pertaining to a group that can be written as the direct product of two of its subgroups.
of or pertaining to a set
whose set of accumulation points is countable.
Origin: 1400–50; late Middle English; Related forms
reducibility, reducibleness, noun