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ultraviolet (adj.)

"beyond the violet end of the visible spectrum," 1840, from ultra- "beyond" + violet. Ultra-red (1870) was a former name for what now is called infra-red.

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Definitions of ultraviolet from WordNet
1
ultraviolet (n.)
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays;
Synonyms: ultraviolet radiation / ultraviolet light / ultraviolet illumination / uv
2
ultraviolet (adj.)
having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end;
an ultraviolet lamp
ultraviolet radiation
From wordnet.princeton.edu

Dictionary entries near ultraviolet

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ultranationalism

ultrasonic

ultrasonography

ultrasound

ultraviolet

ululate

ululation

Ulysses

um

Umayyad

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