addendum
Pronunciation: /əˈdɛndəm/
Definition of addendum
noun ( plural addenda /-də/)
- 2 Engineering the radial distance from the pitch circle of a cogwheel or wormwheel to the crests of the teeth or ridges. Compare with dedendum.
Origin:
late 17th century: Latin, 'that which is to be added', gerundive of addere (see add)
