防水(ぼうすい)

ぼうすい
noun, no-adjective, suru verb
waterproof, waterproofing
1. waterproofing, water resistance
The quality of being impervious to water, or the process of making something waterproof.
このカメラは防水(ぼうすい)だ。
This camera is waterproof.
屋上(おくじょう)の防水(ぼうすい)工事(こうじ)をする。
To do waterproofing work on the rooftop.
防水(ぼうすい)スプレーで靴(くつ)を保護(ほご)する。
To protect shoes with waterproof spray.

COMPOSITION: 防(ぼう) (prevent, protect) + 水(すい) (water). Literally "to prevent water."

COMMON COLLOCATIONS:

  • 防水(ぼうすい)加工(かこう) (waterproof treatment)
  • 防水(ぼうすい)性能(せいのう) (waterproof performance)
  • 防水(ぼうすい)スプレー (waterproof spray)
  • 防水(ぼうすい)工事(こうじ) (waterproofing work)
  • 完全(かんぜん)防水(ぼうすい) (completely waterproof)
  • 生活(せいかつ)防水(ぼうすい) (water-resistant for daily use)

WATERPROOF RATINGS:

  • IPX7, IPX8 (international waterproof standards)
  • 耐水(たいすい) (water-resistant - less than waterproof)

CONTRAST:

  • 防水(ぼうすい): waterproof (blocks water completely)
  • 撥水(はっすい): water-repellent (causes water to bead up)
  • 耐水(たいすい): water-resistant (withstands some water)

RELATED TERMS:

  • 防塵(ぼうじん) (dustproof)
  • 断熱(だんねつ) (insulation)
  • 防火(ぼうか) (fireproof)
  • 雨漏(あまも)り (roof leak)

Related Words

Related: 断熱(だんねつ) (insulation)
general
Added 2026.1.17 22:34 · Revised 2026.1.19 21:17
06000/06428_bousui