|Origin:||Greek dosis, from didonai 'to give'|
the amount of a medicine or a drug that you should take
Start with a low dose and increase it.
an amount of something that you do or experience at one time, especially something unpleasant
a bad/mild dose of flu British English (=making you feel very ill or only slightly ill)
Dave had a bad dose of flu.
lethal/fatal dose (of something) (=an amount that kills)
a lethal dose of radiation
I quite like Jamie in small doses (=in limited amounts but not a lot or often).