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English definition of “step sth down”

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step sth down

verb [I + adv/prep] uk phrasal verb with step   /step/ (-pp-) us  
to reduce the amount, supply, or rate of something: The doctor has said that I can start stepping down my medication in a few days' time. This device is used for stepping down the voltage.
Translations of “step sth down”
in Chinese (Traditional) 減少,降低(數量、供應量或速率)…
in Chinese (Simplified) 减少,降低(数量、供应量或速率)…
(Definition of step sth down from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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