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English definition of “reduce”

reduce

verb [I or T]     /rɪˈdjuːs/ US  /-ˈduːs/
B1 to make something smaller in size, amount, degree, importance, etc.: Do nuclear weapons really reduce the risk of war? The plane reduced speed as it approached the airport. My weight reduces when I stop eating sugar. We bought a television that was reduced (from £500 to £350) in the sales. To make a thicker sauce, reduce the ingredients by boiling for five minutes. I reduced the problem to a few simple questions.Becoming and making smaller or lessBecoming and making less strong
(Definition of reduce verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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