Addendum definition

ə-dĕndəm
Frequency:
The part of a gear tooth that projects beyond the pitch circle, or the distance that it projects.
noun
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The definition of an addendum is something additional or something that is added, especially to the end of a book.

An example of the word addendum is when a legal document is written and an extra piece of information is added later.

noun
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Something added or to be added, especially a supplement to a book.
noun
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A thing added or to be added.
noun
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An appendix or supplement to a book, etc.
noun
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An addition to a document.
noun
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Something to be added; especially text added as an appendix or supplement to a document.
noun
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noun
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(engineering) The height by which the tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line.
noun
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Other Word Forms

Noun

Singular:
addendum
Plural:
addenda, addendums

Origin of addendum

  • Latin neuter gerundive of addere to add add

    From American Heritage Dictionary of the English Language, 5th Edition

  • From the gerundive of Latin addere (“to add”).

    From Wiktionary