- 1[countable, uncountable] reduction (in something) an act of making something less or smaller; the state of being made less or smaller a 33% reduction in the number of hospital beds available There has been some reduction in unemployment. a slight/significant/substantial/drastic reduction in costs The report recommends further reductions in air and noise emissions.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- 2[countable] an amount of money by which something is made cheaper There are reductions for children sharing a room with two adults.
- 3[countable] a copy of a photograph, map, picture, etc. that is made smaller than the original one opposite enlargement
- 4[uncountable, countable] (chemistry) the fact of adding one or more electrons to a substance, or of removing oxygen from a substance
Check pronunciation: reduction