Dedendum definitions

Dedendum

The depth or that portiono of a gear tooth from the pitch circle to root circle of gear.
Found on https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

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dedendum

(on a gear or rack) the radial distance between the pitch circle or line and the root circle or line. Cf. addendum (def. 3a).
Found on https://www.infoplease.com/dictionary/dedendum

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