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自動 (じどう, jidou) Japanese meaning: automatic | Kotomora
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に
自じ
動どう
で
保ほ
存ぞん
さ
れ
ます
。
The file is saved automatically every ten seconds.
There is an automatic door at the hotel entrance.
Related words 自動的 is the adjective/adverb form meaning 'automatic(ally)', while 自動 is mainly used as a noun or in compounds like 自動ドア.
自動詞 is the full grammatical term for 'intransitive verb', while 自動 is its shortened form used in dictionaries and grammar tables.
オート and 自動 both mean 'automatic', but 自動 is the standard Sino-Japanese word used in formal or technical explanations while オート is a katakana prefix seen in casual product names and loanword compounds.
自動 is the native Japanese word for 'automatic' and is used more broadly and formally, while オートマチック is a loanword often reserved for machines, gadgets, or car transmissions.
Don't confuse with 自動 is the noun form meaning 'automatic' (as in 自動車), while 自動的 is the na-adjective/adverbial form describing the manner of doing something automatically.
自動 is an adjective/noun meaning 'automatic', while 自動化 is the noun/verb describing the act or process of making something automatic.
自動 means 'automatic' (operates without manual control), whereas 電動 specifically means 'driven by an electric motor'; a device can be 自動 without being 電動 and vice versa.
Written forms 自じ 動どう Usage 100%
Standard and very common spelling for both the general meaning 'automatic' and the linguistics abbreviation.
自じ 働どう Usage <1%
rarely-used kanji form
Rare kanji spelling; not used for the linguistics abbreviation 自動詞.
ジドウ Usage <1%
Etymology Sino-Japanese compound: 自 means 'self' and 動 means 'move' or 'operate', giving the idea of something moving or operating by itself. The rare spelling 自働 uses 働 'work' in place of 動.
自じ 動どう ドア
N3
automatic ticket gate; automatic turnstile