作さ動どう

さ

ど

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Common wordJLPTN1Freq.FrequencyTop 10,000

作動する · noun or participle which takes 'suru'

Meanings

Refers to the operation or functioning of a machine, system, or mechanism. Often used in technical contexts.

〈物もの〉が正せい常じょうに作さ動どうするfor a device or mechanism to operate normally
エンジンは正せい常じょうに作さ動どうしている。
The engine is operating normally.
〈物もの〉が自じ動どう的てきに作さ動どうするfor a device to operate automatically
センサーが自じ動どう的てきに作さ動どうする。
The sensor operates automatically.
〈物もの〉が作さ動どうしなくなるfor a device to stop working or malfunction
エアバッグが作さ動どうしなくなった。
The airbag stopped working.
〈物もの〉を作さ動どうさせるto activate or operate a device
スイッチを押おして機き械かいを作さ動どうさせた。
I pressed the switch to activate the machine.

稼か働どう
稼働 emphasizes a machine or facility being actively and productively in operation (e.g. a factory running), while 作動 refers more narrowly to a mechanism carrying out its function or being triggered (e.g. a sensor activating).
作さ用ようN2
作用 describes a physical, chemical, or biological effect or action (e.g. of a force or drug), whereas 作動 specifically describes a machine or device performing its mechanical operation.
駆く動どう
作動 means a mechanism is 'operating' or 'functioning' in general, while 駆動 specifically refers to the transmission of power that makes something move.
動うごくN5
作動する is a technical term for a device or mechanism operating, while 動く is the everyday word for something working or running.
発はつ動どう
作動 describes the physical operation of a device or mechanism, whereas 発動 implies initiating a broader plan or legal provision.

停てい止しN3
停止 means to stop or halt, the direct opposite of 作動, which means to operate or run.

動どう作さN2
動作 and 作動 use the same two kanji in reverse order; 動作 means a movement or action (often of a person or on-screen character), while 作動 specifically means a machine or mechanism operating.

回かいN4
作動 is counted with 回 when referring to the number of times a mechanism has operated or triggered, as in 誤作動が2回あった.

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Compound of 作 (sa, 'make; work') and 動 (dou, 'move'). The combination conveys the idea of 'working and moving', i.e., functioning or operating.