addenda plural
ad·den·da
The plural form of addenda is addendum
A aDefinitions
- noun plural addenda a thing to be added; an addition. 1
- noun plural addenda an appendix to a book. 1
- noun plural addenda Machinery. the radial distance between the tip of a gear tooth and the pitch circle of a gear or the pitch line of a rack. Compare dedendum. Also called addendum circle. an imaginary circle touching the tips of the teeth on a gear. 1