A high-pressure discharge lamp that is enclosed in a quartz envelope containing metal halides (usually iodides), and produces high-efficacy white light.

A small, low-wattage lamp used as an indicator or nightlight, typically consisting of a pair of electrodes sealed in a bulb containing neon at low pressure.

A lamp that produces a very short, but very intense, flash of white light; used in photography and in photocoagulation

A street lamp in which electricity is passed through sodium vapour to emit a yellow light.

A type of fluorescent lamp (that may or may not contain mercury).

(New England, nautical, idiomatic) Said of an unwisely or overly extravagant person.

The largest island of the Italian Pelagie Islands, located in the Mediterranean Sea between Malta and Tunisia.