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ibid.

American  
[ib-id] / ˈɪb ɪd /

abbreviation

  1. ibidem.


ibid. British  

abbreviation

  1. ibidem

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ibid. Cultural  
  1. An abbreviation for ibidem, a Latin word meaning “in the same place.” It is used in footnotes and bibliographies to refer to a source cited in a previous entry.


Etymology

Origin of ibid.

Latin: in the same place

Explanation

When you see ibid. in a list of references or citations, it's a shortcut that lets you know the given information was found in a previously mentioned source. The word ibid. is actually short for the Latin word ibidem, meaning "in the same place." It is used in citations to refer back to the same source previously cited. This is handy in scholarly work when the same book or article is cited multiple times in a row. For example, if you're writing a paper and use several different facts from the same book, using ibid. can save you from repeating the full citation each time.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

On the Night-Jar, Audubon, ibid. vol. ii. p.

From The Descent of Man and Selection in Relation to Sex Volume II (1st Edition) by Darwin, Charles

Annandale, "Description of a new species of Spongilla from Orissa," ibid. p. 275.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

The first who suggested Beira in place of Minho seems to have been Corrêa da Serra, editor of the Ineditos, ibid., vol. ii, p.

From The Chronicle of the Discovery and Conquest of Guinea Vol. I by Azurara, Gomes Eannes de

On the excess of female Lucanus, ibid. p.

From The Descent of Man and Selection in Relation to Sex, Vol. I by Darwin, Charles

On the relative colours of diurnal and nocturnal Lepidoptera, see ibid. p.

From The Descent of Man and Selection in Relation to Sex, Vol. I by Darwin, Charles

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