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1. Dictionary

   Re·duc·tion

   /rəˈdəkSH(ə)n/

   

   noun

   • 1. the action or fact of making a specified thing smaller or less in amount, degree, or size: "talks on arms reduction" Similar depletioncutcuttingcutbackscaling downtrimmingslimming (down)pruningaxingchoppingcurtailmentlimitingeasinglighteningmoderationdilutionmitigationcommutingqualificationalleviationrelaxationabatementdemotiondowngradingloweringabasementhumblingdemeaningbelittlinghumiliationbringing lowOpposite promotion
   • ▪ the amount by which something is made smaller, less, or lower in price: "special reductions on knitwear" Similar lesseningloweringdecreasediminutionminimizingdiscountmarkdowndeduction(price) cutpullbackconcessionallowanceinformal:slashOpposite increaseenlargementincrease
   • ▪ the simplification of a subject or problem to a particular form in presentation or analysis: "the reduction of classical genetics to molecular biology"
   • ▪ the process of converting an amount from one denomination to a smaller one, or of bringing down a fraction to its lowest terms.
   • ▪ the halving of the number of chromosomes per cell that occurs at one of the two anaphases of meiosis.
   • 2. a thing that is made smaller or less in size or amount.
   • ▪ an arrangement of an orchestral score for piano or for a smaller group of performers.
   • ▪ a thick and concentrated liquid or sauce made by boiling.
   • ▪ a copy of a picture or photograph made on a smaller scale than the original.
   • 3. the action of remedying a dislocation or fracture by returning the affected part of the body to its normal position: "we must see if the fracture requires reduction"
   • 4. the process or result of reducing or being reduced: "the reaction is limited to reduction to the hydrocarbon"
   • 5. substitution of a sound which requires less muscular effort to articulate: "the process of vowel reduction"

   Word Origin late Middle English (denoting the action of bringing back): from Old French, or from Latin reductio(n-), from reducere ‘bring back, restore’ (see reduce). The sense development was broadly similar to that of reduce; sense 1 dates from the late 17th century.

   Scrabble Points: 12

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2. dictionary.cambridge.org › dictionary › englishREDUCTION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   the act of making something, or of something becoming, smaller in size, amount, degree, importance, etc.: a reduction in traffic. huge price reductions. Thesaurus: synonyms, antonyms, and examples. the fact of getting smaller or becoming less. decrease There has been a steady decrease in the number of visitors.

3. dictionary.cambridge.org › us › dictionaryREDUCTION | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   the act of making something, or of something becoming, smaller in size, amount, degree, importance, etc.: a reduction in traffic. huge price reductions. Thesaurus: synonyms, antonyms, and examples. the fact of getting smaller or becoming less. decrease There has been a steady decrease in the number of visitors.

4. www.vocabulary.com › dictionary › reductionReduction - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › reduction

   Reduction is the act of cutting back or making smaller, like the reduction of a school budget that makes it necessary to eliminate art and music programs. The process of reducing something is reduction, or making it smaller.

5. www.collinsdictionary.com › dictionary › englishREDUCTION definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   2 days ago · 1. countable noun. When there is a reduction in something, it is made smaller. ...a future reduction in U.K. interest rates. [ + in] Many companies have announced dramatic reductions in staff. Synonyms: decrease, lowering, lessening, minimizing More Synonyms of reduction. 2. uncountable noun.

6. www.dictionary.com › browse › reductionReduction Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › reduction

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   Reduction definition, the act of reducing or the state of being reduced. See more.

7. www.thefreedictionary.com › reductionReduction - definition of reduction by The Free Dictionary

   www.thefreedictionary.com › reduction

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   n. 1. The act or process of reducing. 2. The result of reducing: a reduction in absenteeism. 3. The amount by which something is lessened or diminished: a reduction of 12 percent in violent crime. 4. A sauce that has been thickened or concentrated by boiling. 5.

8. www.oxfordlearnersdictionaries.com › definition › americanreduction noun - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › definition › american

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   [uncountable, countable] (chemistry) the fact of adding one or more electrons to a substance, or of removing oxygen from a substance. See reduction in the Oxford Advanced Learner's Dictionary. Check pronunciation: reduction. Definition of reduction noun in Oxford Advanced American Dictionary.