Dictionary

ultraviolet

/yl.tʁa.vjɔ.lɛ/

adjective/yl.tʁa.vjɔ.lɛ/

ultraviolet

From ultra- + violet.

noun, masculine/yl.tʁa.vjɔ.lɛ/plural: ultraviolets

ultraviolet is masculine in French.

ultraviolet (light)

From ultra- + violet.