Word: Illumination Unit
Definition: An "illumination unit" is a measurement used to describe how much light is present in a certain area. It helps us understand how bright a space is.
In more technical fields, "illumination unit" can refer to specific standards of light measurement, such as lux, lumens, or foot-candles. Different fields may have specific requirements for lighting, and knowing the illumination unit helps in designing spaces for comfort and functionality.