ultraviolet
adjective
No English definition recorded for this entry.
L228101 on Wikidata ↗noun
No English definition recorded for this entry.
L329796 on Wikidata ↗Wiktionary
Pronunciation: /ˌʌltɹəˈvaɪələt/ / /ˌʌltɹəˈvaɪlət/
adj
Etymology: Etymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrābor. English ultra- Latin viola Old French -ette Old French violettebor. Middle English violet English violet English ultraviolet From ultra- (“beyond”) + violet (“violet”).
- Of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 to 10 nanometres.
“Micron said in a statement that it would bring extreme ultraviolet (EUV) technology to Japan, becoming the first semiconductor company to do so, and expected to invest up to 500 billion yen ($3.6 billion) with support from the Japanese government.”
- Relating to very high energies or very small distances or time spans.
“A one-loop Feynman graph that represents a virtual process. In the limit in which the virtual process involves short distances or high momenta, one may find an ultraviolet divergence in the corresponding amplitude.”
“Some have advocated the search for a new theory of quantum gravity, a theory which does not suffer from ultraviolet infinity problems.”
noun
Etymology: Etymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrābor. English ultra- Latin viola Old French -ette Old French violettebor. Middle English violet English violet English ultraviolet From ultra- (“beyond”) + violet (“violet”).
- Ultraviolet colour.