adjective.
Able to be factored into polynomials of lower degree, as .
adjective.
Able to be factored into smaller integers; composite.
adjective.
Containing a sphere of codimension 1 that is not the boundary of a ball.
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adjective.
capable of being reduced
Word Usage
"The Manual of Reason raises three questions about this relation: (i) Is it a new and irreducible type or relation, not reducible, that is, to any of the relations already admitted (TSD 66a)?"