- The definition of luces is a measurement of light that equals more than one lumen per square meter.
An example of luces is the measurement of the amount of light coming from the flash of a camera.
luces definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
luces definition by American Heritage Dictionary
A plural of lux.