1) Unit of luminance 
One thousandth of a lambert; a unit of brightness equal to 0.929 lumen per square foot (roughly, 1 equivalent footcandle). ... (05 Mar 2000) ... 
Type: Term Pronunciation: mil′i-lam′bĕrt Definitions: 1. One thousandth of a lambert; a unit of brightness equal to 0.929 lumen per square foot (roughly, 1 equivalent footcandle).