a person licensed to prepare and dispense drugs and medicines
I want to be a pharmacist.

having the result that one wants
The newspapers are effective advertising media.

a technique used for treating someone or something
We want to give everyone equal treatment.

a small container
A space capsule is carried into space by a rocket.

to create an effect or result
The gloomy weather caused her to be depressed.

an amount of medicine
Given this man's large size, such a small dose of this medicine will hardly have any effect.

an unpleasant effect of a drug that happens in addition to the main effect
Chemotherapy is effective in treating cancer, but the side effects are what gets the people very sick.

the part of the body between the neck and the belly
I found a treasure chest by luck.

a slip of paper or cloth, attached to an object in order to describe or give information about it
These people were labeled fools and they had tricks played on them.