English Explanatory Dictionary

reduction

English dictionary entry

Meanings

noun
  1. The act, process, or result of reducing.
  2. The amount or rate by which something is reduced, e.g. in price.
  3. A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
  4. The process of rapidly boiling a sauce to concentrate it.
  5. The rewriting of an expression into a simpler form.
  6. A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.
  7. An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
  8. A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
  9. 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).
  10. A reduced price of something by a fraction or decimal.
  11. The ratio of a material's change in thickness compared to its thickness prior to forging and/or rolling.
  12. A religious settlement created during a mission by Spanish or Portuguese colonists with the intent of evangelizing Christianity to the local population.

Pronunciation

/ɹɪˈdʌk.ʃən/ LL-Q1860 (eng)-Vealhurl-reduction.wav /ɹɪˈdak.ʃən/ /ɹiˈdɑk.ʃən/

Word forms

reduction reductions

Etymology

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

Synonyms

lessening decline extract taxis

Antonyms

elevation expansion increase promotion addition supplement oxidation

Related words

reducible

Derived words

amnioreduction autoreduction beta reduction bioreduction Birch reduction boob reduction breast reduction carboreduction carbothermal reduction chemoreduction Clemmensen reduction Cook reduction cytoreduction decimal reduction time deuteroreduction eidetic reduction electroreduction eta reduction harm reduction hazard reduction burn hydroreduction irreduction Karp reduction ketoreduction leucoreduction leukoreduction magnesiothermic reduction mapping reduction Meerwein-Ponndorf-Verley reduction monoreduction nitroreduction noise reduction nonreduction orchestrated objective reduction organic reduction overreduction oxidation-reduction oxidoreduction phenomenological reduction photoreduction polynomial reduction polynomial-time reduction postreduction prereduction prolongational reduction pseudoreduction reductional reduction division reduction drive reduction furnace reduction in force reductionism reductionist reduction set reduction to the absurd rereduction semireduction seroreduction spot reduction tax reduction
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
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