English
English
Arabic
Chinese
Dutch
French
German
Greek
Hebrew
Hindi
Italian
Japanese
Korean
Polish
Portuguese
Russian
Spanish
more...
Translate into...
English
Arabic
Chinese
Dutch
French
German
Greek
Hebrew
Hindi
Italian
Japanese
Korean
Polish
Portuguese
Russian
Spanish
more...
bn:00045954n
Noun Concept
Categories: Physical quantities, Photometry
EN
illuminance  illumination  Luminous density  luminous emittance  luminous exitance
See more
EN
The luminous flux incident on a unit area WordNet 3.0
Quit
Change View
Definitions
Relations
Sources
English
More languages...
English
Arabic
Chinese
Dutch
French
German
Greek
Hebrew
Hindi
Italian
Japanese
Korean
Polish
Portuguese
Russian
Spanish
more...
EN
In photometry, illuminance is the total luminous flux incident on a surface, per unit area. Wikipedia
Luminous flux incident on a surface per area Wikidata
Density of luminous flux received per unit of area, expressed in lux. OmegaWiki
The luminous flux incident on unit area of a surface; measured in lux or lumens. Wiktionary
DERIVATION
DIFFERENT FROM
RECOMMENDED UNIT OF MEASUREMENT
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
Wiktionary
OmegaWiki