Meaning: to start a machine or an appliance by pressing a button or flicking a switchSynonym: switch on
- turn on sth As soon as they get home from school, most kids grab some sweets or snacks and turn on the TV. No wonder so many get fat!
- turn sth on The first thing I do when I get to the office is turn my computer on.
turn on: light, computer, television, phone, heater, air conditioner, engine, motor
You can turn your mobile phone on again after you have