nounしがいせん · shigaisen
Englishultraviolet rays; ultraviolet radiation; UV radiation
- 紫外線の急激な上昇は研究者たちにオゾンホールの存在を信じさせた。The sudden increase of ultraviolet rays made the researchers believe in the existence of ozone holes.
Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)