Definition of “reduce” - Learner’s Dictionary


verb [ T ] us uk /rɪˈdjuːs/

B1 to make something less:

to reduce air pollution
Prices have been reduced by almost 50 percent.
The number of employees was reduced from 500 to 300.

More examples

to add one or more electrons to a substance or to remove oxygen from a substance

(Definition of “reduce” from the Cambridge Learner's Dictionary © Cambridge University Press)