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.)).
例文
1. The conical configuration of the appendix makes obstruction of the lumen unlikely.
虫垂は円錐形で、腔内閉塞を起こしにくい。
2.One solution flows through the central lumen of the fibers.
繊維の中心キャビティを流れる溶液。
3.Reconnect main lumen to suction source.
メインキャビティ配管を吸引源に接続してください。
4.The innermost region of cotton is called lumen .
綿繊維の最内層組織を中腔と呼ぶ。
5.A lumen is a measure of the rate of emission of light energy.