reduction
/ɹɪˈdʌk.ʃən/ noun
Forms reductions
- noun The act, process, or result of reducing.
- noun The amount or rate by which something is reduced, e.g. in price. “A 5% reduction in robberies”
- noun (chemistry) A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
- noun (cooking) The process of rapidly boiling a sauce to concentrate it.
- noun (mathematics) The rewriting of an expression into a simpler form.
- noun (computing theory) A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.
- noun (music) An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
- noun (philosophy, phenomenology) A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
Synonyms
decline extract taxis lessening decrease diminution step-down reducing simplification
Antonyms
elevation expansion increase promotion addition supplement oxidation
Etymology
From Middle English reduccion, a borrowing from Old French reducion, from Latin reductiō, reductiōnem. Equivalent to reduce + -tion.
Webster’s 1913
- noun The act of reducing, or state of being reduced; conversion to a given state or condition; diminution; conquest; as, the reduction of a body to powder; the reduction of things to order; the reduction of the expenses of government; the reduction of a rebellious province.
- noun The act or process of reducing. See Reduce, v. t., 6. and To reduce an equation, To reduce an expression, under Reduce, v. t.
Etymology [F. réduction, L. reductio. See Reduce.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “reduction”, CC BY-SA 4.0. Details