Şunu aradınız:: ultraviolet (İngilizce - Galce)

ultraviolet
uwchfioled

the dangers of excessive exposure to ultraviolet light with regard to skin cancer must also be publicised
rhaid rhoi cyhoeddusrwydd i beryglon amlygiad gormodol i olau uwchfioled mewn perthynas â chanser y croen hefyd

cosmetic products are also subject to very strict regulation, notably as regards the substances used, such as colouring agents, preservatives or ultraviolet (uv) filters.
mae rheolau caeth iawn ar gyfer nwyddau cosmetig hefyd yn enwedig ynglŷn â chynnwys lliw, cadwolion a hidlwyr uwchfioled.