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Definition of "null" []

  • Having no legal force; invalid: render a contract null and void. (adjective)
  • Of no consequence, effect, or value; insignificant. (adjective)
  • Amounting to nothing; absent or nonexistent: a null result. (adjective)
  • Mathematics Of or relating to a set having no members or to zero magnitude. (adjective)
  • To make null. (verb-transitive)
  • Without legal force; invalid; (esp in the phrase null and void) (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Without value or consequence; useless (adjective)
  • Lacking distinction; characterless (adjective)
  • Nonexistent; amounting to nothing (adjective)
  • Quantitatively zero (adjective)
  • Relating to zero (adjective)
  • (of a set) having no members (adjective)
  • (of a sequence) having zero as a limit (adjective)
  • Involving measurement in which an instrument has a zero reading, as with a Wheatstone bridge (adjective)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "null" in a sentence
  • "Joomla libraries/joomla/application/helper. php 026 class JApplicationHelper 027 {038 function & getClientInfo ($id = null, $byName = false) 039 {093 $null = null; 094 return"
  • "Royko later declared the term null and void, saying Brown was very grounded in his futurism, but the term was forever attached to Brown, who has made it something of a badge of honor in making it clear he's not another hack politician."
  • "Royko later declared the term null and void, saying Brown was very grounded in his futurism, but the term was forever attached to"