types:
lamp
an artificial source of visible illumination
Aladdin's lamp
(Arabian Nights) a magical lamp from which Aladdin summoned a genie
blinker,
flasher
a light that flashes on and off; used as a signal or to send messages
discharge lamp
a lamp that generates light by a discharge between two electrodes in a gas
fairy light
a small colored light used for decoration (especially at Christmas)
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
gas lamp
a lamp that burns illuminating gas
headlamp,
headlight
a powerful light with reflector; attached to the front of an automobile or locomotive
houselights
lights that illuminate the audience's part of a theater or other auditorium
jacklight
a light used as a lure in hunting or fishing at night
lantern
light in a transparent protective case
calcium light,
limelight
a lamp consisting of a flame directed at a cylinder of lime with a lens to concentrate the light; formerly used for stage lighting
mercury-vapor lamp
ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor
navigation light
light on an airplane that indicates the plane's position and orientation; red light on the left (port) wing tip and green light on the right (starboard) wing tip
neon induction lamp,
neon 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
night-light
light (as a candle or small bulb) that burns in a bedroom at night (as for children or invalids)
room light
light that provides general illumination for a room
sconce
a candle or flaming torch secured in a sconce
searchlight
a light source with reflectors that projects a beam of light in a particular direction
running light,
sidelight
light carried by a boat that indicates the boat's direction; vessels at night carry a red light on the port bow and a green light on the starboard bow
spirit lamp
a lamp that burns a volatile liquid fuel such as alcohol
spot,
spotlight
a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer
strip lighting
light consisting of long tubes (instead of bulbs) that provide the illumination
torch
a light usually carried in the hand; consists of some flammable substance