A pendant light, sometimes called a drop or suspender, is a lone light fixture

Light fixture

A light fixture, light fitting, or luminaire is an electrical device used to create artificial light and/or illumination, by use of an electric lamp...

 that hangs from the ceiling usually suspended by a cord, chain, or metal rod. Pendant lights are often used in multiples, hung in a straight line over kitchen countertops and dinette sets or sometimes in bathrooms. Pendants come in a huge variety of sizes and vary in materials from metal to glass and plastic. Many modern pendants are energy-saving low voltage models and some use halogen

Halogen

The halogens or halogen elements are a series of nonmetal elements from Group 17 IUPAC Style of the periodic table, comprising fluorine , chlorine , bromine , iodine , and astatine...

 or fluorescent bulbs.

A billiard or island light is a longer pendant fixture, usually with long fluorescent or multiple incandescent bulbs

Incandescent light bulb

The incandescent light bulb, incandescent lamp or incandescent light globe makes light by heating a metal filament wire to a high temperature until it glows. The hot filament is protected from air by a glass bulb that is filled with inert gas or evacuated. In a halogen lamp, a chemical process...

, used over kitchen islands

Countertop

Countertop usually refers to a horizontal worksurface in kitchens or other food preparation areas, bathrooms or lavatories, and workrooms in general. It is frequently installed upon and supported by cabinets...

 and billiard tables. They are sometimes considered a type of chandelier

Chandelier

A chandelier is a branched decorative ceiling-mounted light fixture with two or more arms bearing lights. Chandeliers are often ornate, containing dozens of lamps and complex arrays of glass or crystal prisms to illuminate a room with refracted light...

.