How to say "vat" in Japanese

• タンクCommon
  nounCovers 'vat' as a large tank of fluid, as in brewing or chemical processing. As the loanword for 'tank', it is the natural choice when the vat is essentially a big liquid container.
  ガソリンがなくなったので、予備よびタンクに頼たよった。↗

  I fell back on the reserve tank when the gas ran out.
• 船ふねJLPT N4approx.Common
  nounIn this sense it is a wide, open tub- or trough-like vessel, not an industrial tank; the word ordinarily means 'boat', so this use is secondary and タンク is usually the word you want.

Use 「タンク」 for a vat that is essentially a large tank of fluid, as in brewing or industry; 船 means 'vat' only as a tub- or trough-like vessel and is better known as the word for boat.

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

• タンクtank (of fluid)
• 付加価値税ふかかちぜいvalue-added tax
• ＶＡＴブイ・エー・ティーvalue-added tax
• 船ふねtank