Definition of "reducible" in Englisch

adjective

1. Capable of being reduced.

2. (mathematics, of a polynomial) Able to be factored into polynomials of lower degree, as x²-1.

3. (mathematics, of an integer) Able to be factored into smaller integers; composite.

4. (topology, of a manifold) Containing a sphere of codimension 1 that is not the boundary of a ball.