(philosophy) A hypothetical lamp in a philosophical paradox. The lamp is repeatedly turned on and off by means of a switch; at the end of this time period, regarded as the sum of an infinite series of intervals, it seems paradoxically that the lamp cannot be either on or off.

A lamp whose light exits through a narrow slit

A kerosene lantern.

plural of hurricane lamp

A flame lamp used in photometry that burns amyl acetate and has been used as a standard for measuring luminosity in parts of Europe.

plural of Hefner lamp

plural of heat lamp

An infrared lamp used to generate heat.

plural of opium lamp

An oil lamp with a funnel, designed to facilitate the vaporization and inhalation of opium.