noun
weather resistance; weatherability
Technical term used for materials, coatings, and structures that withstand outdoor conditions such as sunlight, rain, and temperature changes.
この塗料は耐候性に優れている。
This paint has excellent weather resistance.
建材の耐候性試験を行った。
We conducted a weather resistance test on the building material.
Compound of 耐 (resistant), 候 (climate, weather), and 性 (property, nature). The exact historical derivation is uncertain; the spelling is conventionally associated with weather resistance.