Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Having no legal force; invalid: render a contract null and void.
- adj. Of no consequence, effect, or value; insignificant.
- adj. Amounting to nothing; absent or nonexistent: a null result.
- adj. Mathematics Of or relating to a set having no members or to zero magnitude.
- v. To make null.
- n. Zero; nothing.
- n. An instrument reading of zero.
Century Dictionary and Cyclopedia
- Not any; wanting; non-existent.
- Void; of no legal or binding force or validity; of no efficacy; invalid.
- Of no account or significance; having no character or expression; negative.
- n. Something that has no force or meaning; that which is of a negative or meaningless character; a cipher, literally or figuratively.
- n. Specifically In musical notation, the character 0, denoting
- n. in thorough-bass, that the bass note over which it is placed is to be played alone, the other parts resting;
- n. in the fingering for stringed instruments, that the note over which it is placed is to be played on an open string.
- n. The raised part in nulling or nulled work. This when small resembles a bead; when longer, a spindle.
- To annul; deprive of validity; destroy; nullify.
- To form nulls, or into nulls, as in a lathe. See nulling.
- To kink: said of a whalemen's line as it runs from the line-tub.
- Zero in algebraic measure.
- In math. logic, noting a propositional function when it is false for all values of x.
- n. Specifically, one of the bids in the game of skat. Same as misère. See skat.
Wiktionary
- n. A non-existent or empty value or set of values.
- n. Zero quantity of expressions; nothing.
- n. computing the ASCII or Unicode character (␀), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
- n. computing the attribute of an entity that has no valid value.
- n. One of the beads in nulled work.
- adj. Having no validity, "null and void"
- adj. insignificant
- adj. absent or non-existent
- adj. mathematics of the null set
- adj. mathematics of or comprising a value of precisely zero
- adj. genetics, of a mutation causing a complete loss of gene function, amorphic.
- v. transitive to nullify
GNU Webster's 1913
- adj. Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
- adj. Having a value of zero.
- adj. (Math.) Empty; having no members.
- adj. (Computers) Unassigned or meaningless; -- a special value given to variables, especially pointers or logical variables, indicating that it is meaningless and cannot be used in computation. The actual value that is stored in memory to indicate the
null condition may vary with the computer language used. - n. Something that has no force or meaning.
- n. That which has no value; a cipher; zero.
- v. obsolete To annul.
- n. One of the beads in nulled work.
WordNet 3.0
- n. a quantity of no importance
- adj. lacking any legal or binding force
Etymologies
- From Middle French nul, from Latin nullus. (Wiktionary)
- French nul, from Old French, from Latin nūllus; see ne in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“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.”
The Huffington Post: William Bradley: From Governator to Moonbeam
“Royko later declared the term null and void, saying Brown was very grounded in his futurism, but the term was forever attached to”
“As we all know, "hip" now means you've seen Brad Pitt's latest movie, rendering the word null and dull, but there are still authentic hipsters.”
“Null - Using the keyword null will load the null reference into an expression.”
“Provan: logical conclusions must stand up to the concept science calls the null hypothesis”
“But Daniel was saying that there's only one logical conclusion, and logical conclusions must stand up to the concept science calls the null hypothesis.”
“If there is the levels of corruption that are being predicted, its possible that the elections could be called null and void.”
“Well, because of a public records request, we were able to get our hands on, as well as the Fort Lauderdale "Sun-Sentinel" newspaper, a letter -- a letter that states back on December the 11th, written from Roy Black to the state attorney's office, asking for a pretrial intervention in which case there would be -- charges would be dropped, and there would be called null process.”
“For then the person would be detached from him, alone, that is to say null and void.”
Lists
These user-created lists contain the word ‘null’.
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Public List: Two by Fives
This is an experiment in public lists--something I've been thinking about for some time. The goal is to create a collection of short, powerful, evocative words.
This is an open list. A...icy, howl, hymn, thorn, fire, vile, mist, blunt, scum, dark, shot, gleam and 221 more...
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ghost
This is Ghost List 2 ( the kind that go 'boo!' ) :P
( open list )
more:
http://www.wordnik.com/lists/macabrephantom, spectral, specter, spectre, spooky, poltergeist, haunt, spirit, banshee, cryptic, shadow, phantasm and 311 more...
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webdev
random webdev lingo used primarily in computer programming.
( open list, randomness, technical jargon, geek speak )
more:
ajax, user, admin, frontend, backend, database, sql, protocol, call, dom, layout, ui and 440 more... -
ChortleGiggleSnort
Significant Words- Guiding you on your path to Snazzibility
flimsy, feeble, ranting, ramble, narky, snazzy, yoghurt, bulbous, pustule, globulous, geranium, megalomaniac and 521 more...
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Tech Terms
Surfing the cyber lexicon.
deprecated, null, defunct, zombie, reap
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Programming
class, function, method, instance, value, variable, boolean, if, else, while, for, elseif and 95 more...
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colleen's words
yellow, green, pie, blue, fur, people, incense, book, brown, avuncular, mountain, fog and 1316 more...
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zzyyxx's Words
plethora, drout, functional, rye, wring, doubt, cognative, weird, gnaw, surcease, rend, languish and 438 more...
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Malachi_Constant's Words
triumverate, pandemic, parsnip, delineate, zamboni, parka, laser, swoop, malevolent, benevolent, fracas, tipsy and 372 more...
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Dain's Words
rabble, terminus, archaic, atavism, demiurge, waylay, syzygy, jocoserious, quark, entropy, cinnabar, shamble and 912 more...
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lemongrass's Words
ineffable, diode, abraxas, neologism, algorithm, schadenfreude, heresiology, vague, cathartic, quixotic, apocrypha?, quintessence and 103 more...
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mandarine's Words
antepenultimate, metonymy, synecdoche, pop, kern, inherit, clique, scrumptious, macerate, murmur, kerning, veranda and 1068 more...
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savage215's Words
pipe, yankee, knickerbocker, tennis, plasma, magma, volcano, car, truck, television, tv, word and 445 more...
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boychoir's Words
tantamount, nom de guerre, absurd, dolt, transmute, dichotomy, dandy, schadenfreude, ennui, binary, analog, obfuscate and 93 more...
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another yet
anneal, copepod, cuckoo, fathead, intone, patter, cabriole, knickknack, boodle, kit, estrange, forebode and 209 more...
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fruityfed's Words
noodle, nook, nosegay, notch, noxious, nozzle, nuance, nub, nubile, null, numskull
Tweets
Looking for tweets for null.

bilby Verbal use by astronauts:
"(Buzz) Aldrin: Roger. The burn was on time. The residuals before nulling: minus 0.1, minus 0.4, minus 0.1, X and Z nulled to zero (Static) (Garbled) nulling (garbled). (Long Pause)"
- 'The First Lunar Landing' transcribed by Eric M. Jones, hq.nasa.gov. Oct 8, 2008