phototimer

noun
pho·​to·​tim·​er | \ ˈfōt-ō-ˌtī-mər How to pronounce phototimer (audio) \

Medical Definition of phototimer

: a photoelectric device that automatically controls photographic exposures (as to X-rays or light)

Learn More about phototimer

Cite this Entry

“Phototimer.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/phototimer. Accessed 12 Jun. 2021.

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