ultraviolet

FREQ #21451 ★☆☆☆☆

a. 紫外线的 [化] 紫外线的; 紫外线

发音

US /ˌʌltɹəˈvaɪələt/
其它
UK /ˌʌltɹəˈvaɪələt/
US /ˌʌltɹəˈvaɪlət/
UK /ˌʌltɹəˈvaɪlət/

词形变化

ultraviolets 复数 ultraviolets more ultraviolet 比较级 most ultraviolet 最高级

别名

UV

释义与例句

n.
  1. 1.

    Ultraviolet colour.

    可数 不可数
adj.
  1. 1.

    Of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 to 10 nanometres.

    紫外

  2. 2.

    Relating to very high energies or very small distances or time spans.

    比喻 物理

词汇关系

名词

同义词 3

ultraviolet light ultraviolet radiation UV

下位词 1

sunray
形容词

近义相关 2

invisible unseeable

相关短语

ultraviolet light [医] 紫外线 ultraviolet lights ultraviolet astronomy ultraviolet catastrophe ultraviolet A ultraviolet B ultraviolet C ultraviolet radiation 紫外线 [医] 紫外线照射 extreme ultraviolet [化] 远紫外; 远紫外区

词源

Etymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrālbor. English ultra- Latin viola Old French -ette Old French violettebor. Middle English violet English violet English ultraviolet From ultra- (“beyond”) + violet (“violet”).

来源：wiktionary