reduction

noun

The act, process, or result of reducing.

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

(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).

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

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

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

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

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

(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.

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

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

Roots

rere- · Latin · back duco-duct · Latin · lead

Synonyms for reduction

decreasen diminutionn diminishmentn lesseningn curtailmentn abatementn loweringn retrenchmentn mitigationn decrementn shrinkagen alleviationn depletionn

Synonyms & related words for reduction

Find synonyms, related words, and the definition of reduction — including decrease, diminution, diminishment, lessening, curtailment, abatement. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to reduction

Explore words related to reduction — words associated with it, words that go with it, and its nearest matches in meaning. Related words include reducing, simplification, reduced, reduces, increases, cutback, minimization, detractive. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for reduction

Common synonyms for reduction include decrease, diminution, diminishment, lessening, curtailment, abatement, lowering, retrenchment — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does reduction come from?

The word reduction breaks down into 2 roots of Latin origin: re-, from Latin re (“back”); and -duct, from Latin duco (“lead”). Explore each root to see other English words built from the same source.