lumen

英 ['luːmen] 美['lumɛn]
  • n. 流明(光束的能量单位);(管状器官内的)内腔

GRE扩展词汇

词态变化


复数: lumina;

助记提示


1. 音译“流明”

中文词源


lumen 流明(光通量单位)

来自拉丁语lumen,光亮,光线,词源同light.

英文词源


lumen (n.)
unit of luminosity, 1897, coined 1894 by French physicist André-Eugène Blondel (1863-1938) from Latin lumen "light," related to lucere "to shine" (see light (n.)).

双语例句


1. The conical configuration of the appendix makes obstruction of the lumen unlikely.
阑尾呈圆锥形,不易造成腔内梗阻.

来自辞典例句

2. One solution flows through the central lumen of the fibers.
一种溶液从纤维的中心腔流过.

来自辞典例句

3. Reconnect main lumen to suction source.
请将主腔管道连接吸引源.

来自辞典例句

4. The innermost region of cotton is called lumen.
棉纤维的最内层组织叫中腔.

来自辞典例句

5. A lumen is a measure of the rate of emission of light energy.
流明是光能放射率的量度单位.

来自辞典例句