Also known as: fl.
FL stands for various terms. Discover the full forms, meanings, and possible interpretations of FL across different fields and industries.
A unit of luminance (photometric brightness). The foot-lambert describes the luminance of a surface that emits or reflects one lumen per square foot; it is the luminance of a perfectly reflecting surface under an illumination of one foot-candle. One foot-lambert equals 0.3183 candles per square foot.
Governmental & MilitaryMilitaryThe Finance and Administrative ServicesFail: A trade is said to fail if on settlement date either the seller fails to deliver securities in proper form or the buyer fails to deliver funds in proper form.
NASAThe pipe connection between the well and the separators or tank battery.
NASALast updated: