Definition of "reduction" []

  • The act or process of reducing. (noun)
  • The result of reducing: a reduction in absenteeism. (noun)
  • The amount by which something is lessened or diminished: a reduction of 12 percent in violent crime. (noun)
  • Biology The first meiotic division, in which the chromosome number is reduced. Also called reduction division. (noun)
  • Chemistry A decrease in positive valence or an increase in negative valence by the gaining of electrons. (noun)
  • The act or process or an instance of reducing (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • The state or condition of being reduced (noun)
  • The amount by which something is reduced (noun)
  • A form of an original resulting from a reducing process, such as a copy on a smaller scale (noun)
  • A simplified form, such as an orchestral score arranged for piano (noun)
  • The process of converting a fraction into its decimal form (noun)
  • The process of dividing out the common factors in the numerator and denominator of a fraction; cancellation (noun)
  • The process of concentrating a liquid such as wine or stock by boiling away some of the water in it, esp in order to make a sauce (noun)
  • A sauce made in this way (noun) (c) HarperCollins Publishers Ltd 2016

Use "reduction" in a sentence
  • "The term reduction is often used to refer to the relation between a theory and its historical successor."
  • "You see, this reduction is all about reducing weight for the launch of the ISS-Trimmed Orion on Ares-I."
  • "But the word "reduction" was dropped in the editing process."