neon lamp

n.

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.

Synonym:

neon induction lamp, neon tube.

fluorescent lamp

n.

A lamp that produces visible light by fluorescence, especially a glass tube whose inner wall is coated with a material that fluoresces when an electrical current causes a vapor within the tube to discharge electrons.

light bulb

n.

An electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated.

Synonym:

electric light, electric-light bulb, incandescent lamp, lightbulb, bulb.

chandelier

n.

A branched, decorative lighting fixture that holds a number of bulbs or candles and is suspended from a ceiling.

Synonym:

pendant