from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to the ordinal number matching the number 0 in a series: the zeroth power of 10.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. In the first position in a sequence whose elements are numbered starting at zero; the ordinal number corresponding to zero.
  • adj. Corresponding to a position preceding the first.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. preceding even the first


Sorry, no etymologies found.


  • The previously discussed omnidirectional patterns are also called zeroth-order patterns and the other patterns mentioned previously (dipole and cardioid) are called first-order patterns. Notable Patent Applications - 05/07/2009

  • For the sake of simplicity the inorganic can be taken to include the quantum level, although perhaps this level could constitute its own 'zeroth' level.

    Archive 2005-07-01

  • Thus the year in which his father died was his "zeroth" year.

    CreationWiki - Recent changes [en]

  • If Jehoiachin had been held captive for thirty-seven years before the accession of Evil-Merodach, then "the thirty-seventh year" would have to be the thirty-seventh year following a "zeroth" or "starting" year.

    CreationWiki - Recent changes [en]

  • What cannot be seen is the hierarchically "zeroth" highest part, the root.

    Citizendium, the Citizens' Compendium - Recent changes [en]

  • One could define zeroth-order objects to be objects which are not predicated of other objects; first-order objects (properties) to be those which are predicated of other objects; second-order objects (binary relationships) to be those which are predicated of pairs of other objects, and so on.

    Archive 2009-01-01

  • Whilst existence might not be a property of zeroth-order objects, it could be a property of the bundle of properties which defines a zeroth-order object.

    Archive 2009-01-01

  • Even the possession of properties by objects can be re-cast as a relationship itself, but a relationship between objects and properties rather than a relationship between (zeroth-order) objects.

    Archive 2009-01-01

  • Belgium recently took the lead among a set of top university teams vying for “zeroth place” in the Formula Zero European Championship of hydrogen fuel

    TRANSPORTATION TUESDAY: Inaugural Electric Motorbike Grand Prix | Inhabitat

  • Mris can probably finish the zeroth draft of this book before the Stanley Cup is awarded.

    Barnstorming on an Invisible Segway


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  • Denoting a term in a series that precedes the term otherwise regarded as the first term.

    July 7, 2018