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dedendum

[dih-den-duh m]

noun, plural de·den·da [dih-den-duh] /dɪˈdɛn də/. Machinery.

(on a gear or rack) the radial distance between the pitch circle or line and the root circle or line.Compare addendum(def 3a).

Origin of dedendum

1900–05; < Latin: to be given up, gerund of dēdere, equivalent to dē- de- + -dere combining form of dare to give; see addendum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019