cadmium lamp


Definition of cadmium lamp

: a vapor lamp in which the fluorescence of cadmium vapor produces red light whose wavelength taken as 6438.4696 international angstroms is used as a standard of length

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First Known Use of cadmium lamp

1897, in the meaning defined above

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The first known use of cadmium lamp was in 1897

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Cite this Entry

“Cadmium lamp.” Dictionary, Merriam-Webster, Accessed 24 Sep. 2020.

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