/ dəʊs; NAmE doʊs/ noun , verb
■ noun
1.
an 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.
2.
( informal ) an amount of sth :
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) .
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IDIOMS
- like a dose of salts
—more at medicine
■ verb
[ vn ] dose sb / yourself (up) (with sth) to give sb/yourself a medicine or drug :
She dosed herself up with vitamin pills.
He was heavily dosed with painkillers.
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WORD ORIGIN
late Middle English : from French , via late Latin from Greek dosis gift, from didonai give.