phar·ma·co·dy·nam·ics 
(fär′mə-kō′dī-nămĭks)
(fär′mə-kō′dī-nămĭks)n. (used with a sing. verb)
The study of the action or effects of drugs on living organisms.
phar′ma·co′dy·namic adj.
phar′ma·co′dy·nami·cal·ly adv.
- one-size-fits-all
- (one's) level best
- one's level best
- (one's) lips are sealed
- one's lips are sealed
- (one's) own man
- one's own man
- (one's) own woman
- one's own woman
- one's self
- one-step
- one-stop
- (one's) type
- one's type
- one-time
- one-time pad
- one-timer
- one-to-one
- one-touch
- one-track
- one-trick pony
- one-two
- one-two punch
- one-up
- one-upmanship