The Collaborative International Dictionary of English v.0.48:

candela \candela\ n.
   the basic unit of luminous intensity adopted under the System
   International d'Unites.

   Syn: candle, cd, standard candle.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

candela
    n 1: the basic unit of luminous intensity adopted under the
         Systeme International d'Unites; equal to 1/60 of the
         luminous intensity per square centimeter of a black body
         radiating at the temperature of 2,046 degrees Kelvin [syn:
         candle, candela, cd, standard candle]