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Reduction vs Subtraction - What's the difference?

reduction | subtraction | Related terms |

As nouns the difference between reduction and subtraction

is that reduction is the act, process, or result of reducing while subtraction is (uncountable) The process of subtracting a number from another.

reduction

English

Noun

(en noun)
  • The act, process, or result of reducing.
  • The amount or rate by which something is reduced, e.g. in price.
  • A 5% reduction in robberies
  • (chemistry) A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
  • (cooking) The process of rapidly boiling a sauce to concentrate it.
  • (mathematics) The rewriting of an expression into a simpler form.
  • (computability theory) a transformation of one problem into another problem, such as mapping reduction or polynomial reduction.
  • (music) An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
  • (philosophy, phenomenology) A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
  • (medicine) A medical procedure to restore a fracture or dislocation to the correct alignment.
  • Antonyms

    * elevation * expansion * increase * promotion * (chemistry): oxidation

    Anagrams

    * introduce

    subtraction

    English

    Noun

  • (arithmetic) (uncountable ) The process of subtracting a number from another.
  • (arithmetic) (countable ) A calculation involving subtracting.
  • The teacher has set us ten subtractions to do by tomorrow.
  • The removal of something.
  • The subtraction of the wealth from the economy will result in recession.

    See also

    * addition, summation: (augend) + (addend) = (summand) + (summand) = (sum, total) * subtraction: (minuend) ? (subtrahend) = (difference) * multiplication: (multiplier) × (multiplicand) = (factor) × (factor) = (product) * division: (dividend) ÷ (divisor) = (quotient), remainder left over if divisor does not divide dividend * minus sign