Definitions
1.nounThe act, process, or result of reducing.
2.nounThe amount or rate by which something is reduced, e.g. in price."A 5% reduction in robberies"
3.nounA reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
4.nounThe process of rapidly boiling a sauce to concentrate it.
5.nounThe rewriting of an expression into a simpler form.
6.noun(computability theory) a transformation of one problem into another problem, such as mapping reduction or polynomial reduction.
7.nounAn arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
8.noun(phenomenology) A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
9.nounA medical procedure to restore a fracture or dislocation to the correct alignment.