American English

Definition of dose noun from the Oxford Advanced American Dictionary



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  1. 1an amount of a medicine or a drug that is taken once, or regularly over a period of time a high/low/lethal dose Repeat the dose after 12 hours if necessary. Take a single dose at bedtime to help you sleep. I always take my daily dose of vitamin C.
  2. 2(informal) an amount of something A dose of flu kept me off work. Workers at the nuclear plant were exposed to high doses of radiation. I can cope with her in small doses (= for short amounts of time).
  3. Idioms
    a taste/dose of your own medicine
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    the same bad treatment that you have given to others Let the bully have a taste of his own medicine.
See the Oxford Advanced Learner's Dictionary entry: dose

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