optical lever

noun

: an arm or lever the displacement of which is measured by an attached mirror and a fixed telescope and scale commonly used for measuring small lengths

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Dictionary Entries Near optical lever

Cite this Entry

“Optical lever.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20lever. Accessed 24 Nov. 2024.

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