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.
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
In the early 2000s, white LEDs only offered around 20 lumens per watt, says Paul Scheidt, senior product marketing manager at Cree LED, a major lighting manufacturer.
From BBC ● Dec. 18, 2023
Most incandescent bulbs can only create about 15 lumens with 1 watt, so they don’t meet the guidelines.
From NewsForKids.net ● Aug. 17, 2023
The new efficiency standard announced by the Biden administration requires light bulbs to meet a minimum standard of producing 45 lumens per watt.
From New York Times ● Aug. 1, 2023
Under this high-pressure system, mantle-burners yield as high as 500 lumens per cubic foot of gas per hour.
From Artificial Light Its Influence upon Civilization by Matthew Luckiesh
