filar micrometer

noun

Medical Definition of filar micrometer

: an instrument for accurately measuring small distances or angles that usually consists of two parallel fine platinum wires mounted in the focal plane of a microscope or telescope with one wire being fixed and the other movable by means of a finely threaded screw

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“Filar micrometer.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/filar%20micrometer. Accessed 26 Oct. 2020.

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