until 1940, a standard unit of luminous intensity equal to a certain fraction of the candle power of a group of 45 carbon-filament lamps kept at the National Bureau of Standards; international candle
a. A solid, usually cylindrical mass of tallow, wax, or other fatty substance with an axially embedded wick that is burned to provide light.
b. Something resembling this object in shape or use.
Physics
a. Abbr. c An obsolete unit of luminous intensity, originally defined in terms of a wax candle with standard composition and equal to 1.02 candelas. Also called international candle.