lumen
Meaning in simple English, pronunciation and examples
Pronunciation: US /ˈlumən/ · UK /ˈluːmən/
lumen means: A unit used to measure the total amount of visible light a source gives out.
noun
A unit used to measure the total amount of visible light a source gives out.
- This lamp produces 800 lumens.
- Compare the lumen ratings before buying a bulb.
- How many lumens do we need for this room?
The open space inside a tube-shaped organ, such as a blood vessel or the intestine.
- Blood flows through the vessel's lumen.
- Swelling narrowed the intestinal lumen.
- The surgeon checked for a blockage inside the lumen.
The hollow channel inside a tube, needle, or similar device.
- The catheter has a narrow lumen.
- A blockage stopped fluid passing through the needle's lumen.
- Flush each lumen before connecting the tube.
The space enclosed by the wall of a plant cell.
- The cell has a wide lumen.
- The microscope revealed the lumen inside each wood fiber.
- Thicker cell walls leave less space in the lumen.
Questions about lumen
What does lumen mean?
A unit used to measure the total amount of visible light a source gives out.
What is lumen in other languages?
Türkçe: lümen · Español: lumen · Français: lumen · Deutsch: Lumen · Italiano: lumen · 日本語: ルーメン
How do you pronounce lumen?
In American English /ˈlumən/; in British English /ˈluːmən/.
How do you use lumen in a sentence?
This lamp produces 800 lumens. Compare the lumen ratings before buying a bulb.
Learn lumen while you read
LookItUp shows the meaning that fits your sentence, in your language, and turns new words into quick practice cards.
Coming soon on the App Store LookItUp app for iPhone and iPad