fluorescent

大学 FREQ #26407 ★☆☆☆☆

n. 荧光 a. 荧光的

发音

UK /ˌflʊəˈɹɛsənt/
其它
US /flɔˈɹɛsənt/

词形变化

fluorescents 复数 fluorescents more fluorescent 比较级 most fluorescent 最高级

别名

flourescent

教材释义与例句

名词

荧光;日光灯

形容词

荧光的;萤光的;发亮的

释义与例句

n.
  1. 1.

    A fluorescent light.

    The fluorescents hummed day and night.

adj.
  1. 1.

    Of or relating to fluorescence.

  2. 2.

    Exhibiting or produced by fluorescence.

    The fluorescent plants shimmered in the darkness.

  3. 3.

    Emitting visible light as a result of the excitation of phosphors by ultraviolet photons produced by the passage of an electrical current through an inert gas infused with mercury.

    The quality of fluorescent lighting technology has improved dramatically in recent years.

  4. 4.

    Vivid, as if fluorescing; neon.

    Her shirt was fluorescent orange.

词汇关系

形容词

相关短语

词源

Etymology tree Proto-Indo-European *bʰel-der. Proto-Indo-European *bʰlewH-der. Proto-Indo-European *bʰluH-yé-ti? Latin fluō Proto-Indo-European *-os Proto-Indo-European *-s Proto-Indo-European *-ōs Proto-Italic *-ōs Latin -or Latin fluorbor. English fluor Proto-Indo-European *-tósder. Ancient Greek -της (-tēs)der. Ancient Greek -ῑ́της (-ī́tēs)der. Latin -ītēsbor. French -iteder. English -ite English fluorite Middle Low German sparder. Old English spærstān Middle English sparston English sparstonebf. English spar blend English fluorspar Proto-Indo-European *-éh₁ti Proto-Indo-European *-sḱéti Proto-Indo-European *-éh₁sḱeti Proto-Italic *-ēskō Latin -ēscō Latin -escensder. English -escence English fluorescencebf. English fluoresce English -ent English fluorescent From fluoresce + -ent.

来源:wiktionary