ratchet tooth

noun

Definition of ratchet tooth

: a gear tooth one side of which is radial and the other inclined so that a pawl will catch on the former and slide over the latter

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“Ratchet tooth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratchet%20tooth. Accessed 12 Aug. 2020.

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