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耐久性 (taikyuusei) Japanese meaning: durability | Kotomora
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きゅう
性せい
が
高たか
く
、
落お
とし
て
も
壊こわ
れ
にくい
。
This phone case has high durability and is hard to break even if dropped.
To test the product's durability, we applied repeated loads.
Usage patterns 〈 物もの 〉 の 耐たい 久きゅう 性せい が 高たか い the durability of something is high
This smartphone is well known for its high durability.
耐たい 久きゅう 性せい に 優すぐ れる to excel in durability
This material excels in durability.
耐たい 久きゅう 性せい を 高たか める to increase durability
They increased durability with a new coating.
耐たい 久きゅう 性せい をテストする to test the durability (of something)
The manufacturer is testing the new product's durability.
耐たい 久きゅう 性せい に 欠か ける to lack durability
Cheap parts often lack durability.
Related words 耐久 is a shorter noun/prefix meaning endurance (as in 耐久レース endurance race), while 耐久性 explicitly names the measurable property of being durable.
丈夫 is an everyday na-adjective for sturdy things or people, while 耐久性 is a formal technical noun for the quantifiable durability of a product or material.
強度 refers to immediate structural strength (e.g. how much force something can bear), while 耐久性 refers to how well something withstands wear or stress over time.
耐久性 is a formal, technical noun for 'durability' used in specs and reviews, while 長持ち is the everyday word for something lasting a long time.
耐久性 is a technical term for the physical durability of materials, while 持ち is the everyday word for how long something like food or batteries lasts.
Etymology Compound of 耐久 (たいきゅう, 'endurance') and 性 (せい, '-ity, -ness'), forming a noun meaning 'durability'.
