WordReference Random House Learner's Dictionary of American English © 2017
re•duc•tion /rɪˈdʌkʃən/USA pronunciation
n. WordReference Random House Unabridged Dictionary of American English © 2017
- [uncountable] the act or process of reducing, or the state of being reduced.
- the amount by which something is reduced:[countable]a pay reduction of fifty percent.
(ri duk′shən),USA pronunciation n.
- the act of reducing or the state of being reduced.
- the amount by which something is reduced or diminished.
- a form produced by reducing;
a copy on a smaller scale.
- Cell Biologymeiosis, esp. the first meiotic cell division in which the chromosome number is reduced by half.
- Chemistrythe process or result of reducing.
- Cinema, Show Business[Motion Pictures.]the process of making a print of a narrower gauge from a print of a wider gauge:the reduction of 35-mm films to 16-mm for the school market.
- a village or settlement of Indians in South America established and governed by Spanish Jesuit missionaries.
- Latin reductiōn- (stem of reductiō) a bringing back, equivalent. to reduct(us) (past participle of redūcere; see reduce) + -iōn- -ion
- Middle French reduction
- earlier reduccion 1475–85
Collins Concise English Dictionary © HarperCollins Publishers::
reduction /rɪˈdʌkʃən/ n
- the act or process or an instance of reducing
- the state or condition of being reduced
- the amount by which something is reduced
- a form of an original resulting from a reducing process, such as a copy on a smaller scale
- a simplified form, such as an orchestral score arranged for piano
- the process of converting a fraction into its decimal form
- the process of dividing out the common factors in the numerator and denominator of a fraction; cancellation
'reduction' also found in these entries: