reduction

The definition of a reduction is a decrease or a lessening in amount, or the amount by which something decreases or goes down.

(noun)

  1. When the income tax rate is cut, this is an example of a time when you get a reduction in taxes.
  2. When a price goes down by 10 percent, this is an example of a 10 percent reduction.

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See reduction in Webster's New World College Dictionary

noun

  1. a reducing or being reduced
  2. anything made or brought about by reducing, as a smaller copy, lowered price, sauce of concentrated liquid, etc.
  3. the amount by which anything is reduced

Origin: LME reduccion < MFr reduction < L reductio < reductus, pp. of reducere

Related Forms:

See reduction in American Heritage Dictionary 4

noun
  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. Biology The first meiotic division, in which the chromosome number is reduced. Also called reduction division.
  5. Chemistry
    a. A decrease in positive valence or an increase in negative valence by the gaining of electrons.
    b. A reaction in which hydrogen is combined with a compound.
    c. A reaction in which oxygen is removed from a compound.
  6. Mathematics
    a. The canceling of common factors in the numerator and denominator of a fraction.
    b. The converting of a fraction to its decimal equivalent.
    c. The converting of an expression or equation to its simplest form.

Origin:

Origin: Middle English reduccion, restoration

Origin: , from Old French reduction

Origin: , from Latin reductiō, reductiōn-

Origin: , from reductus

Origin: , past participle of redūcere, to bring back; see reduce

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Related Forms:

  • re·ducˈtion·al adjective

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