illuminance

Noun

Meaning

the luminous flux incident on a unit area

Source: WordNet

Synonyms

illumination lux light radiance brightness luminosity glow luminance light intensity irradiance beam intensity light exposure light quantities light emission brightness levels
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Antonyms

dark shadow darkness obscurity cloudiness dimness
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Hypernyms

light brightness luminosity luminance luminousness brightness level

Phrases with the word

illuminance gauge illuminance meter

Examples

Both the PRC and the required illuminance vary from species to species and lower light levels are required to reset the clocks in nocturnal rodents than in humans. Source: Internet

Use of absolute aperture diameter The aperture diameter is normally given in terms of the f-number because all lenses set to the same f-number give approximately the same image illuminance (Ray 2002, 130), simplifying exposure settings. Source: Internet

What gets directly measured by a light meter is incident light on a sensor of finite area, i.e. illuminance in lm/m 2 (lux). Source: Internet

Close letter words and terms

illumer illuminability illuminable illuminance gauge illuminance meter illuminant