dose

dose 1

•  noun [C]

1    a measured amount of medicine:
?One dose of this should get rid of the problem.

2    the amount of something that you experience at one time:
?in small doses (= for short amounts of time) 
She's OK in small doses, but I wouldn't like to work with her.

dose 2

• also dose up verb [T]

to give someone some medicine:
?Dose yourself up with vitamin C if you think you're getting a cold.