S: (n) fluorescent lamp (lamp consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material)
S: (n) limelight, calcium light (a lamp consisting of a flame directed at a cylinder of lime with a lens to concentrate the light; formerly used for stage lighting)
S: (n) neon lamp, neon induction lamp, neon tube (a lamp consisting of a small gas-discharge tube containing neon at low pressure; luminescence is produced by the action of currents at high frequencies that are wrapped a few turns around the tube)