オン
おん
noun
on (switched-on state)
1.
on; switched-on state; activated
The 'on' state of a switch, device, or setting, as opposed to オフ ('off'). From English 'on'. Frequently used as オンにする ('to turn on') and in the pair オン/オフ.
スイッチをオンにする。
Turn the switch on.
通知をオンにしておいた。
I left notifications turned on.
エアコンがオンのままだったので、電気代が高くなった。
The air conditioner was left on, so the electricity bill went up.
Loanword from English 'on', referring to the activated state of a switch, device, or setting. Its opposite is オフ (off).
COMMON COLLOCATIONS:
- オンにする: to turn on; to switch on
- オン/オフ: on/off
- オンの状態: the on state
USAGE:
Unlike the English preposition 'on', Japanese オン is used only for the switched-on/activated sense. The work-life sense also appears in オンとオフ ('on-duty and off-duty').
SIMILAR WORDS:
- オフ: off — the opposite state
- 入れる / 切る: to turn on / off — native verbs for operating a switch (電源を入れる)