bio·​pho·​tom·​e·​ter ˌbī-ō-fō-ˈtäm-ət-ər How to pronounce biophotometer (audio)
: an instrument for measuring the rate and efficiency of dark adaptation of the eye used especially in detecting vitamin A deficiency

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Cite this Entry

“Biophotometer.” Medical Dictionary, Merriam-Webster, Accessed 25 Jul. 2024.

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