1.
power supply, power source
The source of electrical power for a device.
電源 has two distinct meanings: the physical source of electrical power (sense 1) and the power switch or on/off function of a device (sense 2). In everyday conversation, sense 2 is more common.
COMPOUND: 電 (electricity) + 源 (source)
COMMON COLLOCATIONS:
- 電源を入れる: to turn on (the power)
- 電源を切る: to turn off
- 電源が入る: power comes on
- 電源が落ちる: power goes out / shuts down
- 電源ボタン: power button
- 電源コード: power cord
- 電源タップ: power strip
USAGE:
電源を入れる/切る is used for devices in general. For lights specifically, 電気をつける/消す is more natural.
Related Words
Related:
コンセント (outlet)