A unit of illumination equal to 1 lumen per square meter; 0.0929 foot candle; SYN. lx.
unit of illumination equal to one lumen per square meter
SI unit (symbol lx) of illuminance or illumination (the light falling on an object). It is equivalent to one lumen per square meter or to the illuminance of a surface one meter distant from a point source of one candela.
Unité d'éclairement.