耐水性(たいすいせい)

たいすいせい
noun
water resistance; waterproof quality
1. water resistance; water-resistant quality; waterproof property
The ability of a material or product to resist the penetration or effects of water. Used when describing the properties of fabrics, coatings, electronics, and other products.
この時計(とけい)は耐水性(たいすいせい)がある。
This watch is water-resistant.
耐水性(たいすいせい)の高(たか)い素材(そざい)を使(つか)っている。
It uses a highly water-resistant material.
この塗料(とりょう)は耐水性(たいすいせい)に優(すぐ)れているので、屋外(おくがい)でも長(なが)く使(つか)えます。
This paint has excellent water resistance, so it can be used outdoors for a long time.

A compound of 耐水(たいすい) (water-resistant) and 性(せい) (property, quality). The 耐(たい)～性(せい) pattern is highly productive in Japanese for expressing resistance or durability: 耐熱性(たいねつせい) (heat resistance), 耐久性(たいきゅうせい) (durability), 耐震性(たいしんせい) (earthquake resistance).

COMMON COLLOCATIONS:

  • 耐水性(たいすいせい)がある: to have water resistance
  • 耐水性(たいすいせい)に優(すぐ)れる: to excel in water resistance
  • 耐水性(たいすいせい)の高(たか)い: highly water-resistant
  • 耐水性(たいすいせい)試験(しけん): water resistance test

SIMILAR WORDS:

  • 防水(ぼうすい): waterproof — implies complete water blocking, stronger than 耐水性(たいすいせい)
  • 撥水(はっすい): water-repellent — water beads and rolls off the surface
  • 耐久性(たいきゅうせい): durability — general resistance to wear, broader than just water
general
Added 2026.4.23 22:22
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