点検（てんけん、tenkeん）
- inspection

The Japanese word 点検点検 (てんけん, *tenken*) primarily means "inspection," "examination," "check," or "maintenance." It involves carefully looking at something to assess its condition, functionality, or adherence to standards. It implies a systematic and sometimes formal process of review. It's often used in contexts where safety, accuracy, or proper functioning is critical. The act of 点検点検 can be applied to a wide range of things, from physical objects like machines and vehicles to processes and data.

⚫︎車の点検 Translation: Car inspection ⚫︎定期的な点検が必要です。 Translation: Regular inspections are necessary. ⚫︎安全のために、毎日点検を行います。 Translation: We conduct daily inspections for safety.

You use 点検点検 when you need to talk about: ⚫︎Checking the condition of something to ensure it's working correctly. ⚫︎Making sure something meets a certain standard or requirement. ⚫︎Examining something for problems or defects. ⚫︎The context is often professional, relating to safety, quality control, or maintenance.

⚫︎The word is typically written with the kanji 点検点検. ⚫︎The reading is てんけん (*tenken*) in hiragana. ⚫︎There is no variation in the okurigana (the suffix hiragana).

⚫︎検査 (*kensa*) - Examination, inspection, testing. ⚫︎チェック (*chekku*) - Check (loanword from English). ⚫︎調査 (*chōsa*) - Investigation, survey. ⚫︎確認 (*kakunin*) - Confirmation, verification. ⚫︎点呼 (*tenko*) - Roll call (can be considered a type of inspection).

There aren't direct antonyms, but you could consider words related to neglecting or ignoring inspections: ⚫︎放置 (*hōchi*) - Leaving something unattended, neglecting. ⚫︎見過ごす (*misugosu*) - To overlook, to miss.

毎月、機械の安全点検を行います。 ・Translation: We conduct a safety inspection of the machinery every month. ・Explanation: This sentence describes the regular inspection of machinery for safety purposes. 点検点検 is used in a professional context.

飛行機は離陸前に必ず点検を受けます。 ・Translation: Airplanes must undergo inspection before takeoff. ・Explanation: This sentence emphasizes the necessity of 点検点検 for safety reasons, highlighting the importance of inspecting aircraft before flight.

点検点検 is a compound word. 点 (*ten*) means "point," and 検 (*ken*) means "examination" or "investigation". Together, the kanji visually represent the idea of checking "points" or details thoroughly.