illuminance

In physics|lang=en terms the difference between radiance and illuminance

is that radiance is (physics) the flux of radiation emitted per unit solid angle in a given direction by a unit area of a source while illuminance is (physics) the luminous flux incident on unit area of a surface; measured in lux or lumens.

As nouns the difference between radiance and illuminance

is that radiance is the quality of being radiant, shining, bright or splendid while illuminance is (physics) the luminous flux incident on unit area of a surface; measured in lux or lumens.

As nouns the difference between glow and illuminance

is that glow is the state of a glowing object while illuminance is the luminous flux incident on unit area of a surface; measured in lux or lumens.

As a verb glow

is to give off light from heat or to emit light as if heated.

In physics|lang=en terms the difference between luminescence and illuminance

is that luminescence is (physics) any emission of light that cannot be attributed merely to the temperature of the emitting body while illuminance is (physics) the luminous flux incident on unit area of a surface; measured in lux or lumens.

As nouns the difference between luminescence and illuminance

is that luminescence is (physics) any emission of light that cannot be attributed merely to the temperature of the emitting body while illuminance is (physics) the luminous flux incident on unit area of a surface; measured in lux or lumens.

As nouns the difference between brightness and illuminance

is that brightness is the quality of being bright while illuminance is the luminous flux incident on unit area of a surface; measured in lux or lumens.

As a noun illuminance

is (physics) the luminous flux incident on unit area of a surface; measured in lux or lumens.

As an adjective luminous is

emitting light; glowing brightly.

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Wikidiffcom has no English definition.

As a noun illuminance is

the luminous flux incident on unit area of a surface; measured in lux or lumens.

As nouns the difference between lighting and illuminance

is that lighting is the equipment used to provide illumination; the illumination so provided while illuminance is (physics) the luminous flux incident on unit area of a surface; measured in lux or lumens.

As nouns the difference between illuminance and phot

is that illuminance is (physics) the luminous flux incident on unit area of a surface; measured in lux or lumens while phot is a photometric unit of illuminance, or luminous flux through an area (symbol ph).

As a verb phot is

(informal) to.