illuminance Definition
- 1the total luminous flux incident on a surface per unit area
- 2the amount of light that falls on a surface
Using illuminance: Examples
Take a moment to familiarize yourself with how "illuminance" can be used in various situations through the following examples!
Example
The illuminance of the room was too low for reading.
Example
The illuminance of the streetlights was not enough to light up the road.
Example
The illuminance of the stage was perfect for the performance.
illuminance Synonyms and Antonyms
Synonyms for illuminance
- brightness
- luminosity
- light level
Phrases with illuminance
the minimum amount of light required for a particular activity or task
Example
The minimum illuminance required for reading is 300 lux.
the average amount of light falling on a surface over an area
Example
The average illuminance of the room was measured to be 500 lux.
the level of illuminance that is maintained over time
Example
The lighting system was designed to maintain a constant illuminance level throughout the day.
Summary: illuminance in Brief
The term 'illuminance' [ɪˈluːmɪnəns] refers to the amount of light that falls on a surface, measured in lumens per square meter. It is used to describe the brightness or light level of a space, with examples like 'The illuminance of the room was too low for reading.' 'Illuminance' can be further specified by phrases like 'minimum illuminance,' which describes the minimum amount of light required for a task, and 'average illuminance,' which measures the average amount of light over an area.