power up

allumer, mettre sous tension

Allumer une machine ou un appareil pour qu'il commence à fonctionner.

En anglais simple : To turn on a machine or device so it can start working.

• Power up the computer.
• She powered up the camera and checked the battery.
• Can you power up the machine before we arrive?

Comment l'utiliser : power something up (Power the computer up before the lesson.)

Synonymes : turn on, switch on

Contraires : power down, switch off

Expressions courantes : power up something, power something up

s'allumer, démarrer

Recevoir du courant et devenir prêt à fonctionner, en parlant d'un appareil.

En anglais simple : If a machine does this, it receives electricity and becomes ready to work.

• The computer powers up quickly.
• The system powered up as soon as I pressed the button.
• Why won’t this tablet power up?

Synonymes : start up, boot up

Contraires : power down, shut down

Expressions courantes : power up automatically, power up slowly