lumen

As a proper noun channel

is (by ellipsis) the english channel.

As a noun lumen is

(physics) 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.

As nouns the difference between lumen and chamber

is that lumen is (physics) 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 while chamber is the luxembourgish parliament (officially known by the french name of “chambre des ”).

As nouns the difference between lumen and luna

is that lumen is 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 while luna is a luna moth: a member of species species: Actias luna.

As a proper noun Luna is

the name of Earth's moon.

As nouns the difference between lumen and lacuna

is that lumen is (physics) 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 while lacuna is a small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.

As a noun lumen

is (physics) 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.

As a proper noun watt is

an english and scottish surname derived from the given name wat.

As nouns the difference between lumen and cavity

is that lumen is 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 while cavity is a hole or hollow depression.

As nouns the difference between lining and lumen

is that lining is a covering for the inside surface of something while lumen is 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.

As a verb lining

is present participle of lang=en.

As a noun lumen

is (physics) 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.

As a proper noun light is

.

As nouns the difference between lumen and flumen

is that lumen is 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 while flumen is a term used in planetary geology to refer to the river-like features on Saturn's moon Titan.