noun (plural addenda /-də/, addendums)
1An item of additional material, typically omissions, added at the end of a book or other publication.
- 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.
appendix, codicil, postscript, afterword, tailpiece, rider, coda, supplement;
adjunct, appendage, addition, add-on, attachment
Late 17th century: Latin, 'that which is to be added', gerundive of addere (see add).
Words that rhyme with addendumcorrigendum, referendum
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