Translation guide
The English word "reentry" can refer to returning to a place, activity, or state, or to the specific technical process of a spacecraft returning to Earth's atmosphere. This guide covers common Japanese expressions for these meanings.
Expressing the act of entering again, such as re-entering a building, country, or resuming an activity.
Common for re-entering a venue, event, or facility. Often used with する (to do).
再入場はできません。
Reentry is not permitted.
Specifically for re-entering a country. Used in immigration contexts.
再入国許可が必要です。
A reentry permit is required.
A more general phrase meaning 'to enter again'. Can be used for rooms, buildings, etc.
彼は部屋に再び入った。
He reentered the room.
Literally 're-entry', but primarily used for spacecraft re-entering the atmosphere. Not for everyday reentry.
宇宙船が大気圏に再突入する。
The spacecraft reenters the atmosphere.
Referring specifically to a spacecraft or satellite returning to Earth's atmosphere.
The standard technical term for atmospheric reentry.
大気圏再突入の際、機体は高温にさらされる。
During atmospheric reentry, the spacecraft is exposed to high temperatures.
Shorter form, commonly used in news and technical contexts.
人工衛星の再突入が予測されている。
The satellite's reentry is predicted.
Describing a person returning to society, a profession, or an activity after an absence.
Commonly used for reintegration into society, e.g., after illness, prison, or military service.
彼の社会復帰を支援する。
We support his reentry into society.
General term for returning to a previous state or position, such as returning to work or a sport.
Used for re-entering a market, industry, or competition. More formal and business-like.
その企業は市場に再参入した。
The company reentered the market.
Do not directly translate 'reentry' as 再入 (sainyū) in most contexts. Use the specific compound words above depending on the situation.
再入場 (sainyūjō) is for venues, events, or facilities. 再入国 (sainyūkoku) is strictly for immigration and crossing national borders.
She reentered the workforce.