ultraviolet

名词 n. 形容词 adj.
中文释义
英 /ˌʌltɹəˈvaɪələt/|/ˌʌltɹəˈvaɪlət/    美 /ˌʌltɹəˈvaɪələt/|/ˌʌltɹəˈvaɪlət/

英文释义

名词 n.
  1. Ultraviolet colour. countable,uncountable
形容词 adj.
  1. 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.
  2. Relating to very high energies or very small distances or time spans. figuratively
    — 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.

词形变化

more ultraviolet comparative most ultraviolet superlative ultraviolets plural

词汇关系

衍生词
extreme ultraviolet ultraviolet A ultraviolet astronomy ultraviolet B ultraviolet C ultraviolet catastrophe ultraviolet light

词源

词源 1
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”).
词源 2
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”).
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