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lumen

noun
/ˈluːmən/UK/ˈlumən/US

Etymology

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

  1. borrowed from lūmen

Definitions

  1. In the International System of Units, the derived unit of luminous flux

    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. ›+ 1 more definition

    1. The bore of a tube such as a hollow needle or catheter.

The neighborhood

Derived

decalumen, endolumen, kilolumen, lumenal, lumenally, lumened, lumen-hour, lumenize, lumenless, lumen method, lumenogenesis, lumen second, lumen-second, multilumen, teralumen

Vish — recursive loop

A definitional loop anchored at lumen. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01lumen02tubular03tubes04inner05farther06notes07transluminal

A definitional loop anchored at lumen. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

7 hops · closes at lumen

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA