plug into

To connect a device to electricity or another device by putting its plug into a socket.

• Plug the lamp into the socket.
• I plugged my headphones into the computer.
• Is the charger plugged into the wall?

How to use it: plug something into something (Plug the charger into the wall socket.)

Similar words: connect

Opposites: unplug

Common phrases: plug into something, plug into sockets

To put a known number in place of a letter in a mathematical expression.

• Plug five into the formula.
• She plugged the values into the equation.
• What answer do you get when you plug this number into the equation?

How to use it: plug a number/value into something (Plug this value into the formula.)

Similar words: substitute, insert

Common phrases: plug into formulas, plug into equations

To join something to something else by fitting one part into an opening.

• This piece plugs into the base.
• She plugged the tube into the opening.
• Does the handle plug into that slot?

How to use it: plug something into something (Plug the plastic tube into the pump fitting.)

Similar words: fit into, insert into

Opposites: detach

Common phrases: plug into something, plug into slots

To learn about something and become familiar with what is happening.

• She plugged into the local art scene.
• These podcasts help me plug into current debates.
• He is well plugged into developments in technology.

How to use it: plug into something (Reading local blogs helps you plug into the city’s music scene.)

Similar words: get familiar with, get informed about

Common phrases: plug into trends, plug into something