addendum

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ad·den·dum

 (ə-dĕn′dəm)
n. pl. ad·den·da (-də)
Something added or to be added, especially a supplement to a book.

[Latin, neuter gerundive of addere, to add; see add.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

addendum

(əˈdɛndəm)
n, pl -da (-də)
1. something added; an addition
2. a supplement or appendix to a book, magazine, etc
3. (Mechanical Engineering) the radial distance between the major and pitch cylinders of an external screw thread
4. (Mechanical Engineering) the radial distance between the pitch circle and tip of a gear tooth
[C18: from Latin, literally: a thing to be added, neuter gerundive of addere to add]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ad•den•dum

(əˈdɛn dəm)

n., pl. -da (assaf(-də)) .
1. a thing to be added; an addition.
2. an appendix to a book.
[1785–95; neuter singular of Latin addendus to be added, gerundive of addere to add]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

addendum

a supplement or appendix added to a book or other written work.
See also: Books
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.addendum - textual matter that is added onto a publicationaddendum - textual matter that is added onto a publication; usually at the end
matter - written works (especially in books or magazines); "he always took some reading matter with him on the plane"
back matter, end matter - written matter following the main text of a book
appendix - supplementary material that is collected and appended at the back of a book
continuation, sequel - a part added to a book or play that continues and extends it
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

addendum

noun addition, supplement, extra, extension, attachment, appendix, postscript, affix, adjunct, appendage, augmentation, codicil If you are self-employed, you have to get an addendum to the tax form.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations
addendum

addendum

[əˈdendəm] N (addenda (pl)) [əˈdendə]ad(d)enda f, adición f, artículo m suplementario
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

addendum

[əˈdɛndəm] [addenda] [əˈdɛndə] (pl) n (= appendix) → addendum m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

addendum

n pl <addenda> → Nachtrag m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

addendum

[əˈdɛndəm] n (addenda (pl)) [əˈdɛndə]aggiunta addenda npl (to book, report) → addenda mpl
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Bello has clarified in the February 14 order, an adendum to the earlier Executive Order No.