mercury-vapor lamp

[ mur-kyuh-ree-vey-per ]

Phonetic (Standard)IPA

noun

, Electricity.

a lamp producing a light with a high actinic and ultraviolet content by means of an electric arc in mercury vapor.

First recorded in 1900–05

The Cooper Hewitt mercury vapor lamp is a tube filled with the vapor of mercury, and a current is sent throughp.

A person's face looks ghastly by the greenish light of a mercury-vapor lamp.

A red postage stamp looks greenish gray in the green light of a mercury-vapor lamp.

April 19, 2024tortuous

[tawr-choo-uhs ]

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