noun (plural addenda /-də/, addendums)
- 1An item of additional material, typically omissions, added at the end of a book or other publication.More example sentences
- The cover has changed, the map of Egypt is missing, and additions and corrections have been placed as an addendum on page 205 instead of directly in the text.
- For the articles that appeared in the earlier edition, addenda include the new data that is available; only a handful of the original articles were rewritten.
- He welcomes any professional updates or addenda to his primer.
- 2 Engineering The radial distance from the pitch circle of a cogwheel, worm wheel, etc., to the crests of the teeth or ridges. Compare with dedendum.
late 17th century: Latin, 'that which is to be added', gerundive of addere (see add).