reduction🔊

The act, process, or result of reducing.

The amount or rate by which something is reduced, e.g. in price.

(chemistry)(chemistry) A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.

(cooking) The process of rapidly boiling a sauce to concentrate it.

(mathematics) The rewriting of an expression into a simpler form.

(compsci) (computability theory) A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.

(music) An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.

(phenomenology) A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)

(fixing a dislocated joint) (medicine) A medical procedure to restore a fracture or dislocation to the correct alignment, usually with a closed approach but sometimes with an open approach (surgery). +

(paying) A reduced price of something by a fraction or decimal.

(metalworking) The ratio of a material's change in thickness compared to its thickness prior to forging and/or rolling.

(Roman Catholicism) A religious settlement created during a mission by Spanish or Portuguese colonists with the intent of evangelizing Christianity to the local population.