WordReference Random House Unabridged Dictionary of American English © 2017
- capable of being reduced.
- 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.
- 1400–50; late Middle English; see reduce, -ible