mercury-vapor lamp
noun
: an electric lamp in which the discharge takes place through mercury vapor
called also mercury lamp
Examples of mercury-vapor lamp in a Sentence
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The caretaker of one property in Melbourne Beach found hundreds of dead hatchlings piled beneath a single mercury-vapor lamp.
—
Ed Yong, The Atlantic, 13 June 2022
Ann’s father was Peter Cooper Hewitt, whose invention of the mercury-vapor lamp in 1901 earned him more than $1 million.
—Audrey Clare Farley, Town & Country, 20 Apr. 2021
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Ed Yong, The Atlantic, 13 June 2022
Ann’s father was Peter Cooper Hewitt, whose invention of the mercury-vapor lamp in 1901 earned him more than $1 million.
—Audrey Clare Farley, Town & Country, 20 Apr. 2021
Cite this Entry
“Mercury-vapor lamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mercury-vapor%20lamp. Accessed 28 Feb. 2025.
Copy CitationMedical Definition
mercury-vapor lamp
noun
mer·cu·ry-va·por lamp
-ˌvā-pər- 
: an electric lamp in which the discharge takes place through mercury vapor and which has been used therapeutically as a source of ultraviolet radiation
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