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dedendum

noun
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de·​den·​dum | \ də̇ˈdendəm, dēˈ- \
plural -s

Definition of dedendum

: the root of a gear tooth also : the distance between the dedendum circle and pitch circle of a gear wheel or rack — compare addendum

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History and Etymology for dedendum

Latin, neuter of dedendus, gerundive of dedere to give up, deliver, from de from, away + -dere (from dare to give); from the contrast with the addendum of a gear tooth

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“Dedendum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dedendum. Accessed 25 Oct. 2020.

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