[
US
/ˌəɫtɹəˈvaɪəɫɪt/
]
[ UK /ˌʊltɹɐvˈaɪələt/ ]
[ UK /ˌʊltɹɐvˈaɪələt/ ]
NOUN
- radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
ADJECTIVE
-
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
How To Use ultraviolet In A Sentence
- By recording the spectra of several distant quasars whose light pierces the Milky Way, the spacecraft revealed some 50 ultraviolet-absorbing gas clouds around our galaxy.
- AERONET is a global network of more than 100 sun photometers that measure the amount of sunlight absorbed by aerosols (fine particles in the air) at wavelengths from ultraviolet to infrared.
- Then the mixture is applied to a cleaned device surface and activated by ultraviolet light.
- Test your different textiles for color fastness and degradation to long-term ultraviolet exposure.
- The patent is issued for ultraviolet protective coatings for application to heat sensitive record materials and other photodegradable printed matter.
- an ultraviolet lamp
- But one other thing that helps is ultraviolet light. Times, Sunday Times
- Research published in 1994 suggests that increased ultraviolet radiation caused by stratospheric ozone depletion may be killing frog eggs.
- In winter, the stems, or canes, turn from green to red, which helps protect them from ultraviolet rays and oxidation.
- The uranium gives it a yellow or green colour and makes it glow under ultraviolet light. Times, Sunday Times