il·lu·mi·nance ( -l  m -nns)n. See illumination. |
illuminance [ɪˈluːmɪnəns]
n
(Physics / General Physics) the luminous flux incident on unit area of a surface. It is measured in lux. Symbol Ev Sometimes called illumination Compare irradiance
| illuminance (-lm-nns) The luminous flux per unit area at any point on a surface exposed to incident light. It is measured in luxes. Also called illumination. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | illuminance - the luminous flux incident on a unit area brightness level, luminance, luminosity, luminousness, brightness, light - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun" |
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