Turn Switch Sth Air Leave Meaning Stop Machine

Meaning: to stop a machine or an appliance from working by using a button or a switch

• turn off sth Don't forget to turn off the air conditioner before you leave the house. We shouldn't be wasting energy.
  
  
• turn sth off Do you turn all your lights off at night, or do you leave some of them on?
  
  

Nouns often used as objects with turn off: light, computer, phone, television, heater, air conditioner, engine, motor