Decalumen
//ˈdɛkəluːmɪn// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 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 […]"
Example
More examples"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 […]"
Etymology
From deca- + lumen.
Related phrases
More for "decalumen"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.