focometer

noun

fo·​com·​e·​ter fō-ˈkäm-ət-ər How to pronounce focometer (audio)
variants also focimeter
: an instrument for measuring either the visual or the photographic focal length of an objective or of another optical system

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Cite this Entry

“Focometer.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/focometer. Accessed 20 Apr. 2024.

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