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English definition of “prescribe”

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prescribe

verb uk   /prɪˈskraɪb/ us  

prescribe verb (GIVE MEDICINE)

C2 [T often passive] (of a doctor) to say what medical treatment someone should have: The drug is often prescribed for ulcers. [+ two objects] I've been prescribed painkillers.
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prescribe verb (GIVE RULE)

[T] formal to tell someone what they must have or do, or to give something as a rule: Penalties for not paying taxes are prescribed by law. [+ that] The law prescribes that all children must go to school. [+ question word] Grammatical rules prescribe how words may be used together.
(Definition of prescribe from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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