lumen
noun
the unit of luminous flux, equal to the luminous flux emitted in a unit solid angle by a point source of one candle intensity. lm
lumens
-
pluralof lumen.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But many LED bulbs are installed with a much higher color temperature, near 4,000 Kelvins, which our brains interpret as harsh and bright, regardless of how many lumens they’re actually emitting.
From Los Angeles Times ● May 8, 2026
While most kitchen lighting is built in, it’s possible to bring a few extra lumens to dark corners, and an extra dash of style, with plug-in lamps.
From Seattle Times ● Jan. 8, 2024
Mr Scheidt notes that for warm-toned LEDs, the efficiency drops somewhat, but it's still possible to achieve around 160 lumens per watt for warm white luminaires, with a colour temperature of 2,700 kelvin.
From BBC ● Dec. 18, 2023
These bulbs can create about 75 lumens with 1 watt of electricity.
From NewsForKids.net ● Aug. 17, 2023
A standard candle may be considered to emit an amount of light approximately equal to 10 lumens.
From Artificial Light Its Influence upon Civilization by Matthew Luckiesh
