Coolidge tube

noun

Coo·​lidge tube ˈkü-lij- How to pronounce Coolidge tube (audio)
: a vacuum tube for the generation of X-rays in which the cathode consists of a spiral filament of incandescent tungsten and the target serves as the anode and consists of massive tungsten and in which the temperature of the cathode determines the intensity of the X-rays while the applied voltage determines wavelength

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Cite this Entry

“Coolidge tube.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Coolidge%20tube. Accessed 9 Jun. 2023.

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