Definition of tangent screw
1
: a worm that works tangentially on a worm wheel to which it imparts an endless motion
2
: a very fine screw giving a tangential movement for making the final adjustment to an instrument of precision (as a surveyor's transit)
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“Tangent screw.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tangent%20screw. Accessed 22 May. 2022.
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