| ABOUT
| CATEGORIES
| Worlds of David Darling |
ADVERTISING | CONTACT |
coefficient of utilization
A term applied to lighting appliances and used to evaluate the effectiveness of luminaries in delivering light. It is the ratio of lumens received on a flat surface to the light output, in lumens, from a lamp.
Related category
• LIGHTING TOPICSAlso on this site:
Encyclopedia of Science
Encyclopedia of History