null
[ nuhl ]
/ nʌl /
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adjective
without value, effect, consequence, or significance.
being or amounting to nothing; nil; lacking; nonexistent.
Mathematics. (of a set)
- empty.
- of measure zero.
being or amounting to zero.
noun
Electronics. a point of minimum signal reception, as on a radio direction finder or other electronic meter.
verb (used with object)
to cancel; make null.
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Can "Null" Ever Be A Positive Word?
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IS and ARE are both forms of which verb?
Idioms about null
null and void, without legal force or effect; not valid: This contract is null and void.
Origin of null
1555–65; <Latin nūllus, equivalent to n(e) not + ūllus any
Words nearby null
nukespeak, Nü-kua, Nukualofa, Nukus, NUL, null, nullah, null and void, nulla-nulla, Nullarbor Plain, null cell
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use null in a sentence
British Dictionary definitions for null
null
/ (nʌl) /
adjective
without legal force; invalid; (esp in the phrase null and void)
without value or consequence; useless
lacking distinction; characterlessa null expression
nonexistent; amounting to nothing
maths
- quantitatively zero
- relating to zero
- (of a set) having no members
- (of a sequence) having zero as a limit
physics involving measurement in which an instrument has a zero reading, as with a Wheatstone bridge
Word Origin for null
C16: from Latin nullus none, from ne not + ullus any
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for null
null
[ nŭl ]
Of or relating to a set having no members or to zero magnitude.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.