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null

[ nuhl ]

/ nʌl /

See synonyms for null on Thesaurus.com

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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Idioms for 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. 2021

Example sentences from the Web for null

Because all of the Rescued Film Project images are scanned to digital, the necessity of a darkroom is null.
These Photographs Would Die Without Him|Dale Eisinger|July 31, 2014|DAILY BEAST
Journals aren't interested in null results or "yup, we replicated that other study"; they want new studies with new findings.
Searching for Fraud|Megan McArdle|October 9, 2012|DAILY BEAST
Double representation, and all else hitherto gained, were otherwise futile, null.
The French Revolution|Thomas Carlyle
Mr. Null, professionally and personally, was incapable of stepping beyond his own narrow limits, under any provocation whatever.
Heart and Science|Wilkie Collins

For the outlaw of society, the code of honour is null and void.
Aurora Floyd, Vol. III (of 3)|M. E. (Mary Elizabeth) Braddon
Mr. Null was inclined to resent the interference of a meddling woman, in the discharge of his duty.
Heart and Science|Wilkie Collins
The messenger had just been despatched, when Mr. Null himself, in performance of yesterday's engagement, called at the house.
Heart and Science|Wilkie Collins

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

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