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   null

   /nʌl/

   adjective

   • 1. having no legal or binding force; invalid: "the court ruled that the contract contained several infringements and therefore declared it null and void" Similar invalidnull and voidvoidannullednullifiedcancelledabolishedrevokedrescindedrepealedOpposite valid
   • 2. having or associated with the value zero.
   • ▪ (of a set or matrix) having no elements, or only zeros as elements.
   • 3. lacking distinctive qualities; having no positive substance or content: "his curiously null life" Similar lacking in characteremptycharacterlessblankcolourlessexpressionlessvacuousinsipidvapidinaneOpposite fullcolourfulinteresting

   noun

   • 1. a zero. literary
   • 2. a dummy letter in a cipher.
   • 3. a condition of no signal.
   • ▪ a direction in which no electromagnetic radiation is detected or emitted.

   verb

   • 1. combine (a signal) with another in order to create a null; cancel out: "the tumour can be more readily identified by nulling the high signal from bone marrow"

   Word Origin late Middle English: from French nul, nulle, from Latin nullus ‘none’, from ne ‘not’ + ullus ‘any’.

   Scrabble Points: 4

   • N

     1

   • U

     1

   • L

     1

   • L

     1

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