How to Say “Coupler” in Japanese

カプラー
kapurā
The Japanese word for coupler is カプラー (kapurā).
A coupler refers to anything that couples things together.
Meaning: anything that couples things together (noun)

Which one should you use?

While カプラー is a standard term, you may encounter other forms: 連結具 is a formal term for coupler used in engineering and industrial contexts and 結合器 is a formal term for a device used for joining parts or mechanisms. In informal speech, one might use the phrase つないでるやつ meaning thing that connects.

How do you pronounce it?

kapurā

Did you know?

  • The term 連結 (renketsu) describes both the physical coupling of train cars and the formation of a political coalition.
  • The word やつ (yatsu) in the informal phrase つないでるやつ originally referred to a 'fellow' or 'person' before it became a common slang term for a 'thing'.
  • While カプラー is used for machines, Japanese fans of anime and manga use the related term カップリング (kappuringu) to describe the pairing of characters in a romantic relationship.

Examples in context

  • 技術者は、カプラーを使用して回路を接続しました。
    The technician connected the circuits using a coupler.
  • このカプラーが壊れています。
    Kono kapuraa ga kowarete imasu.
    This coupler is broken.
  • 新しいカプラーが必要です。
    Atarashii kapuraa ga hitsuyou desu.
    I need a new coupler.
  • カプラーをしっかりと締めてください。
    Kapuraa o shikkari to shimete kudasai.
    Please tighten the coupler firmly.

Example conversation

Daisho and Yui are checking equipment in a workshop.

  1. 大翔 Hiroto

    結衣、予備のカプラーはある?
    Yui, yobi no kapurā wa aru?
    Yui, is there a spare coupler?
  2. 結衣 Yui

    あそこにある棚にありますよ。
    Asoko ni aru tana ni arimasu yo.
    It's on the shelf over there.
  3. 大翔 Hiroto

    よし、これで修理できるな。
    Yoshi, kore de shūri dekiru na.
    Great, now I can fix it.
  4. 結衣 Yui

    大翔さん、気をつけて使ってくださいね。
    Daisho-san, ki o tsukete tsukatte kudasai ne.
    Daisho, please use it carefully.
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Dean Ray
Dean RayHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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