首页英语词典fluorescentfluorescent的意思

fluorescent

英 [flʊə'res(ə)nt; flɔː-] 美[,flɔ'rɛsnt]
  • adj. 荧光的;萤光的;发亮的
  • n. 荧光;日光灯

CET6+TEM4IELTSGRETOEFL低频词畅通词汇

词态变化


名词: fluorescence;

助记提示


1. flu- + -or => fluor (originally meaning "a flowing, flow").
2. => fluor: an old chemistry term for "minerals which were readily fusible and useful as fluxes in smelting". => fluorite / fluorspar.
3. fluorspar ("calcium fluoride," modern fluorite), name of the mineral where it was first found.
4. fluor + -ine (chemical suffix). So named because it is isolated from fluor / fluorite.
5. fluor + -escence (-esce + -ence). Because in fluorspar (fluorite) he first noticed the phenomenon, on analogy of phosphorescence. => "glowing in ultraviolet light".
6. fluorescence => fluorescent.

中文词源


fluorescent 发荧光的

来自19世纪英国物理学家George Stokes, 因为他首先在氟中发现这种发光现象而命名,而并非荧光一定来自于氟。-escence, 开始的,词源同adolescent.

英文词源


fluorescent (adj.)
1853 (Stokes), from fluor- (see fluoro-) + -escent (see fluorescence). The electric fluorescent lamp was invented by Edison in 1896, but such lights were rare in homes before improved bulbs became available in the mid-1930s.

双语例句


1. Fluorescent lights flickered, and then the room was brilliantly, blindingly bright.
荧光灯闪了几下,接着屋子里豁然大亮,刺得人睁不开眼。

来自柯林斯例句

2. It was lit by hooded fluorescent lamps.
照明用的是带灯罩的日光灯。

来自柯林斯例句

3. This shop sells fluorescent paint.
这家商店出售荧光漆.

来自《简明英汉词典》

4. With an 18-watt fluorescent bulb you get as much light but use 75% less electricity.
用18瓦的荧光灯灯泡有同样的亮度,而用电量却减少75%。

来自柯林斯例句

5. A typical fluorescent lamp is a tube with metal electrodes at each end.
日光灯通常是一根两端装有金属电极的管子。

来自柯林斯例句