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null

[ nuhl ]

/ nʌl /

||

SEE MORE SYNONYMS FOR null ON THESAURUS.COM

WATCH NOW: Can "Null" Ever Be A Positive Word?

WATCH NOW: Can "Null" Ever Be A Positive Word?

Why is "null" such a negative word? Let us explain these definitions a little bit more ...

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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.

Nearby words

Idioms

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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

Word Origin and History for null

null

adj.

"void of legal force," 1560s, from Middle French nul, from Latin nullus "not any, none," from ne- "not, no" (see un-) + illus "any," diminutive of unus "one" (see one).

Online Etymology Dictionary, © 2010 Douglas Harper

Science 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.