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phacometer

noun
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pha·​com·​e·​ter | \ fəˈkämətə(r) \

Definition of phacometer

: an instrument for measuring the focal power of lenses

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History and Etymology for phacometer

International Scientific Vocabulary phac- + -meter

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“Phacometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phacometer. Accessed 26 Feb. 2021.

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