mechanism of action

noun
UK /ˈmekənɪzəm əv ˈækʃən/
US /ˈmekənɪzəm əv ˈækʃən/

The way a medicine works in your body to help you feel better.

The doctor explained the mechanism of action of the new medicine.


OTHER MEANINGS

2. The steps by which a machine or tool does its job.

The engineer studied the mechanism of action of the robot arm.

3. The process by which a chemical causes a change.

Scientists described the mechanism of action of the cleaning spray.

4. The way a natural system produces an effect.

The mechanism of action of the enzyme was explained in class.