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null

 (nŭl)
adj.
1. Having no legal force; invalid: render a contract null and void.
2. Of no consequence, effect, or value; insignificant.
3. Amounting to nothing; absent or nonexistent: a null result.
4. Mathematics Of or relating to a set having no members or to zero magnitude.
tr.v. nulled, null·ing, nulls
To make null.
n.
1. Zero; nothing.
2. An instrument reading of zero.

[French nul, from Old French, from Latin nūllus; see ne in Indo-European roots.]

null

(nʌl)
adj
1. without legal force; invalid; (esp in the phrase null and void)
2. without value or consequence; useless
3. lacking distinction; characterless: a null expression.
4. nonexistent; amounting to nothing
5. (Mathematics) maths
a. quantitatively zero
b. relating to zero
c. (of a set) having no members
d. (of a sequence) having zero as a limit
6. (General Physics) physics involving measurement in which an instrument has a zero reading, as with a Wheatstone bridge
[C16: from Latin nullus none, from ne not + ullus any]

null

(nʌl)
adj.
1. without value or significance.
2. being or amounting to nothing; nil.
3. Math. (of a set)
a. empty.
b. of measure zero.
4. being or amounting to zero.
n.
5. a point of minimum signal reception, as on a radio direction finder or other electronic meter.
v.t.
6. to cancel; make null.
Idioms:
null and void, without force or effect; not valid.
[1555–65; < Latin nūllus=n(e) not + ūllus any]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.null - a quantity of no importancenull - a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it"
relative quantity - a quantity relative to some purpose
nihil - (Latin) nil; nothing (as used by a sheriff after an unsuccessful effort to serve a writ); "nihil habet"
bugger all, Fanny Adams, fuck all, sweet Fanny Adams - little or nothing at all; "I asked for a raise and they gave me bugger-all"; "I know sweet Fanny Adams about surgery"
Adj.1.null - lacking any legal or binding forcenull - lacking any legal or binding force; "null and void"
law, jurisprudence - the collection of rules imposed by authority; "civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"
invalid - having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"

null

adjective
null and void invalid, useless, void, worthless, ineffectual, valueless, inoperative The agreement had been declared null and void.

null

noun
No thing; not anything:
Informal: zero.
Slang: nix, zilch.
Archaic: aught.
Translations

null

[nʌl] ADJnulo, inválido
to render sb's efforts nullinvalidar los esfuerzos de algn
null and void (Jur) → nulo

null

[ˈnʌl] adj
null and void → nul(le) et non avenu(e); [agreement, contract, results]
to be declared null and void → être déclaré(e) nul(le) et non avenu(e)

null

adj (Jur) act, decree(null und) nichtig, ungültig; to render something null and voidetw null und nichtig machen

null

[nʌl] adj null and void (Law) → nullo/a

null

a. nulo-a, sin valor, inútil;
___ hypothesishipótesis ___.
References in periodicals archive ?
A bivariate plot based on principal components with an ellipse drawn around each K-means cluster is illustrated in Figure 1 for the validation set, which shows clustering of biologically relevant groups including gonadotroph adenomas adjacent to an IHC null cell group, Pit-1 family tumors, and ACTH-producing adenomas.
Most of the cases of null cell type identified by immunohistochemical analysis or flow cytometric immunophenotyping (FCI) display clonal T-cell receptor gene rearrangements by molecular techniques, more definitively defining ALCL as a T-cell lymphoma4.
DG44, a dhfr null cell line, is the most commonly used cell line for biotherapeutic manufacturing today.