A prefix meaning "-proof" or "-resistant," indicating that something resists or withstands a particular condition (e.g., heat-resistant, water-resistant).
このマグカップは耐熱ガラスで、電子レンジにも使えます。
This mug is made of heat-resistant glass and can be used in the microwave.
携帯電話の耐水性能は上がってきたが、完全防水ではないので注意が必要だ。
Water resistance of mobile phones has improved, but they're not completely waterproof, so you need to be careful.
寒冷地向けの服は耐寒性が高く、冷たい風を通しにくい素材が使われている。
Clothes for cold regions have high cold resistance and are made of materials that block cold winds.
製品表示では「耐久性」と「耐水性」をよく確認してください。
Please check the product labels for 'durability' and 'water resistance'.