单词	mercury-vapor lamp
释义	mercury-vapor lamp noun : an electric lamp in which the discharge takes place through mercury vapor called also mercury lamp Example Sentences Recent Examples on the Web 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 Word History First Known Use 1904, in the meaning defined above Medical 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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