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turn on

turn on

 
See:
turn
part of speech: phrase
definition 1: to start the flow or power of (something).
Turn the light on. It's dark in here.You turn on the hot water like this.It's October and it will be time to turn on the furnace soon.I know there is a light down there but I don't know where to turn it on.
definition 2: to cause excitement in (someone).
Car racing really turns him on, but I'm not interested in it at all.
definition 3: (informal) to introduce someone to (something).
Thanks for turning me on to this website. I didn't know it existed.