紫し外がい線せん
Meanings
Noun
Physics
1. ultraviolet rays; ultraviolet radiation; UV radiation
Kanji used
purple
outside
line
Pitch accent
し
がいせん
Top 31700
Composed of
ultraviolet; UV
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
Used in vocabulary (4 in total)
ultraviolet forecast; UV forecast
ultraviolet treatment; ultraviolet light therapy
ultraviolet index; UV index
Examples (4 in total)
Ultraviolet rays are harmful to us.
Infrared and ultra-violet rays are types of light invisible to the human eye.
He put on sunglasses to protect his eyes from ultraviolet rays.
The sudden increase of ultraviolet rays made the researchers believe in the existence of ozone holes.