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ultraviolet▼◼◼◼(radiation with wavelengths from 380 nanometre - 10 nanometre)adjective[UK: ˌʌl.trə.ˈvaɪə.lət] [US: ˌʌl.trə.ˈvaɪə.lət]Ultraviolet rays are harmful to us. = Les rayons ultraviolets nous sont nuisibles.
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