This is the 13627th most frequent Korean word.
루멘
"루멘" (lumen) is a unit of luminous flux that measures the total quantity of visible light emitted by a source.
Here, '루멘' is used to specify the unit of luminous flux to describe the light bulb's brightness.
이 전구는 800 루멘을 제공합니다.
This light bulb provides 800 lumens.
In this sentence, '루멘' is used conceptually to refer to the measurement unit relevant to lighting choices.
우리는 방 조명을 선택할 때 루멘을 고려해야 합니다.
We should consider lumens when choosing room lighting.
This sentence uses '루멘' to compare the luminous output between systems, showing its practical application in assessing performance.