Usage: Very common on product labels, medicine packaging, and storage instructions. Also used in weather reports and health advice.
Common collocations
- 直射日光を避ける: to avoid direct sunlight
- 直射日光の当たらない場所: a place out of direct sunlight
- 直射日光を浴びる: to be exposed to direct sunlight
Compound: 直射 (direct hitting) + 日光 (sunlight).