Word.ws English Dictionary

decalumen

UK/ˈdɛkəluːmɪn/

decalumen noun: a unit of luminous flux equal to ten lumens.

Noun

decalumen (plural decalumens)

  1. A unit of luminous flux equal to ten lumens.
    • If the aquarium is placed where it receives insufficient daylight, artificial lighting by means of ordinary incandescent lamps should be employed. For good plant growth 2 decalumens of luminous flux per square decimetre of water surface […]1956, C. van Duijn, Diseases of Fishes, page 149

Forms of decalumen

pluraldecalumens

Origin of decalumen

From deca- + lumen.

Questions about decalumen

What does decalumen mean?
Decalumen means a unit of luminous flux equal to ten lumens.
What part of speech is decalumen?
Decalumen is a noun.
How do you pronounce decalumen?
Decalumen is pronounced /ˈdɛkəluːmɪn/ (UK).
What is the plural of decalumen?
The plural of decalumen is decalumens.

Words near decalumen in the dictionary

  1. decalogues
  2. decalogy
  3. decalone
  4. decalones
  5. decals
  6. decalumen
  7. decamer
  8. decameric
  9. decameride
  10. decamerides
  11. Decameron

Source and license

Adapted from Wiktionary: decalumen (page history and authors). 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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Cite this entry: “decalumen.” Word.ws, https://word.ws/decalumen. Based on Wiktionary, CC BY-SA 4.0.