How to say "leakage" in Japanese

Choosing the right word
  • 漏出ろうしゅつCommon
    noun, suru verb, transitive verb, intransitive verbThe broadest term of the three: leakage as an outflow, something escaping from a container or space. Use it when you mean the act or process of leaking out itself.
  • リークCommon
    noun, suru verb, intransitive verbA katakana loanword for leakage of electricity: the unintended escape of current. Keep it to electrical contexts; for gas, liquid, or light, 漏出 or 漏洩 are the words to use.
  • 漏洩ろうえいCommon
    noun, suru verb, intransitive verbCovers leakage of gas, liquid, and similar substances, including gas escaping and light coming through. Use it when the leaked thing is a gas, a liquid, or light.

Choose according to what escapes: 漏出 covers leaking out in general, 「リーク」 is for electrical leakage, and 漏洩 for gas, liquid, or light getting out or coming through.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

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