ul‧tra‧vi‧o‧let /ˌʌltrəˈvaɪələt◂, ˌʌltrəˈvaɪəlɪt◂/
adjective (
abbreviation UV)
ultraviolet light cannot be seen by people, but is responsible for making your skin darker when you are in the sun
ultraviolet radiation/rays
ultraviolet radiation from the sun [TahlilGaran] Dictionary of Contemporary English ▲