Calcium light Meaning, Definition & Usage

  1. noun a lamp consisting of a flame directed at a cylinder of lime with a lens to concentrate the light; formerly used for stage lighting
    limelight.

WordNet


Definitions
  1. an intense light produced by the incandescence of a stick or ball of lime in the flame of a combination of oxygen and hydrogen gases, or of oxygen and coal gas; called also Drummond light.

Webster 1913