a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
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lumen::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | lm |
| Type of | luminous flux unit |
Examples of lumen
lumen
All breast implants include a solid silicone rubber outer shell, called a lumen.
From the fresnobee.com
Lumen will be on display at Columbia Art League until he's auctioned off on Nov.
From the timesunion.com
For LEDs, lamp life is when 50% of lamps have lumen output drop to 70% or less.
From the en.wikipedia.org
The walls were thicker than normal, the inner lumen almost completely obliterated.
From the nytimes.com
The molecular basis of vascular lumen formation in the developing mouse aorta.
From the nature.com
Cellular and molecular analyses of vascular tube and lumen formation in zebrafish.
From the nature.com
The light perceived by the human eye is measured in units called lumen-hours.
From the economist.com
White arrowheads in n show decrease of Serp but not chitin expression in the lumen.
From the nature.com
These lamps produce almost white light, and attain 100 lumen per watt light output.
From the en.wikipedia.org
- A unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
- A cavity or passage in a tubular organ; "the lumen of the intestine"
- In biology, a lumen (from Latin lu016Bmen, meaning "an opening"; plural lumina) is the inside space of a tubular structure, such as an artery or intestine. By extension, the term lumen is also used to describe the inside space of a cellular component or structure, such as the endoplasmic reticulum.
- Lumen is a Russian rock band from Ufa first formed by a young boy named Michael, known as the "Man". They combine punk rock with traditional Russian rock. The band considers February 12, 1998 as their birthday. ...
- The lumen (symbol: lm) is the SI unit of luminous flux, a measure of the power of light perceived by the human eye. ...
- 141 Lumen is a dark (C-type), large rocky asteroid 130 km in diameter orbiting in the main belt near the Eunomia family of asteroids. It is not, however, physically related to the group, being of the wrong spectral class. Yet, NASA continues to categorize it as a main-belt asteroid.
- In the International System of Units, the derived unit of luminous flux; the amount of light that falls on a unit area at unit distance from a source of one candela. ...
- (lumened) Having a lumen
- (lumens) A measure of the luminous flux or quantity of light emitted by a source. For example, a dinner candle provides about 12 lumens. A 60-watt Soft White incandescent lamp provides about 840 lumens.
