dose

n. [ F. dose, Gr. do`sis a giving, a dose, fr. dido`nai to give; akin to L. dare to give. See Date point of time. ] 1. The quantity of medicine given, or prescribed to be taken, at one time. [ 1913 Webster ]

2. A sufficient quantity; a portion; as much as one can take, or as falls to one to receive. [ 1913 Webster ]

3. Anything unpleasant that one is obliged to take; a disagreeable portion thrust upon one; also used figuratively, as to give someone a dose of his own medicine, i. e. to retaliate in kind. [ 1913 Webster ]

I am for curing the world by gentle alteratives, not by violent doses. W. Irving. [ 1913 Webster ]

I dare undertake that as fulsome a dose as you give him, he shall readily take it down. South. [ 1913 Webster ]

4. a quantity of radiation which an object absorbs, or to which it is exposed. [ PJC ]