reduction

noun
/ɹɪˈdʌk.ʃən/US/ɹɪˈdak.ʃən/

Etymology

From Middle English reduccion, a borrowing from Old French reducion, from Latin reductiō, reductiōnem. Equivalent to reduce + -tion.

  1. derived from reductio
  2. derived from reducion
  3. inherited from reduccion

Definitions

  1. The act, process, or result of reducing.

    • With the cutting out of the previous recovery times for electrification work, curtailment of station times and acceleration, considerable reductions have been made in the overall schedules.
  2. The amount or rate by which something is reduced, e.g. in price.

    • A 5% reduction in robberies
  3. A reaction in which electrons are gained and valence is reduced

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

  4. + 9 more definitions
    1. The process of rapidly boiling a sauce to concentrate it.

    2. The rewriting of an expression into a simpler form.

    3. A transformation of one problem into another problem, such as mapping reduction or…

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

    4. An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full…

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

    5. A philosophical procedure intended to reveal the objects of consciousness as pure…

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

    6. A medical procedure to restore a fracture or dislocation to the correct alignment,…

      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).

      • closed reduction
      • open reduction and internal fixation
    7. A reduced price of something by a fraction or decimal.

    8. The ratio of a material's change in thickness compared to its thickness prior to forging…

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

      • The final stage of thickness reduction (typically 90% from about 2mm to <0.2mm) is carried out by cold rolling.
    9. A religious settlement created during a mission by Spanish or Portuguese colonists with…

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

      • Spanish reductions in Mexico were common during the 18th century.

The neighborhood

Vish — recursive loop

A definitional loop anchored at reduction. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01reduction02electrons03document04original05newly06immediate07argument08abstract09abridgement10abridgment

A definitional loop anchored at reduction. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

10 hops · closes at reduction

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA