Word.ws English Dictionary

lumen

Syllables: lu·men/ˈluːmən/US/ˈlumən/

lumen noun: in the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.

Noun

lumen (plural lumens or lumina)

  1. In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.
  2. The cavity or channel within a tube or tubular organ.
  3. The cavity bounded by a plant cell wall.
  4. The bore of a tube such as a hollow needle or catheter.

lumen meaning in Hindi, Tamil, Marathi and Urdu

lumen in Hindi

लुमेन, ल्यूमेन, लूमेन

lumen in Tamil

இலுமன், லூமன், ஒளியின் அலகு, உட்குழல் பகுதி, உள்ளிடம், பஞ்சு நாளம்

lumen in Marathi

लुमेन, ल्युमेन

lumen in Urdu

لیومین
More languagesFewer languages
lumen in Bengali
লুমেন
lumen in Telugu
లుమెన్, ల్యూమన్
lumen in Malayalam
ലൂമെൻ, ലുമെൻ, ലൂമൻ
lumen in Kannada
ಲುಮೆನ್, ಲ್ಯೂಮನ್
lumen in Punjabi
ਲੂਮੈਨ, ਲੂਮਨ, ਲੂਮੇਨ
lumen in Gujarati
લુમેન, લ્યુમેન
lumen in Odia
ଲୁମେନ୍, ଲ୍ଯ଼ୁମେନ୍, ଲୁମେନ
lumen in Nepali
लुमेन, ल्युमेन
lumen in Tagalog
lumen
lumen in Arabic
لُومِن lūmin
lumen in Malay
lumen
lumen in Indonesian
lumen
lumen in Thai
ลูเมน luu-men

Examples of lumen in a sentence

  • The airway lumen was also partially occluded by seroproteinaceous fluid and cell debris intermixed with mucin.
  • Clinically, a large exoenteric mass may compress the bowel lumen, but seldom induces intestinal obstruction.
  • When harvested, toroids' were stable, but underwent predictable changes over time with their lumens narrowing.

All 18 example sentences with lumen

Forms of lumen

plurallumens
plurallumina

Plural of lumen: lumens or lumina

Origin of lumen

Borrowed from Latin lūmen (“light, an opening”). Use as a unit was first adopted by French physicist André Blondel in 1894.

Words formed from lumen

Phrases with lumen

Words that rhyme with lumen

Questions about lumen

What does lumen mean?
Lumen means in the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.
What is lumen in Hindi?
Lumen in Hindi is लुमेन, ल्यूमेन, लूमेन. See Lumen meaning in Hindi.
What part of speech is lumen?
Lumen is a noun.
How do you pronounce lumen?
Lumen is pronounced /ˈluːmən/ (UK).
What is the plural of lumen?
The plural of lumen is lumens.

Words near lumen in the dictionary

  1. lume
  2. lumefantrin
  3. lumefantrine
  4. lumel
  5. lumels
  6. lumen
  7. lumen method
  8. lumen second
  9. lumen seconds
  10. lumen-hour
  11. lumen-hours

Source and license

Adapted from Wiktionary: lumen (page history and authors); lumen (Hindi, IndicTrans2 machine translation) (model and license); lumen (Tamil Wiktionary) (page history and authors); lumen (Marathi, IndicTrans2 machine translation) (model and license); lumen (Urdu, IndicTrans2 machine translation) (model and license); lumen (Bengali, IndicTrans2 machine translation) (model and license); lumen (Telugu, IndicTrans2 machine translation) (model and license); lumen (Malayalam, IndicTrans2 machine translation) (model and license); lumen (Kannada, IndicTrans2 machine translation) (model and license); lumen (Punjabi, IndicTrans2 machine translation) (model and license); lumen (Gujarati, IndicTrans2 machine translation) (model and license); lumen (Odia, IndicTrans2 machine translation) (model and license); lumen (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: en-uk-lumen.ogg.

Cite this entry: “lumen.” Word.ws, https://word.ws/lumen. Based on Wiktionary, CC BY-SA 4.0.