without value, effect, consequence, or significance.
being or amounting to nothing; nil; lacking; nonexistent.
being or amounting to zero.
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.
null and void, without legal force or effect; not valid:
This contract is null and void.
without legal force; invalid; (esp in the phrase null and void)
without value or consequence; useless
lacking distinction; characterless: a null expression
nonexistent; amounting to nothing
(physics) involving measurement in which an instrument has a zero reading, as with a Wheatstone bridge
“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).
Of or relating to a set having no members or to zero magnitude.
noun 1. (in the statistical testing of a hypothesis) the hypothesis to be tested. noun 1. (statistics) the residual hypothesis if the alternative hypothesis tested against it fails to achieve a predetermined significance level Compare hypothesis testing, alternative hypothesis noun the proposition that is to be tested; the hypothesis under investigation Examples A null hypothesis […]
1. a combining form meaning “none,” “null”: nullipara.
[nuhl-uh-fi-key-shuh n] /ˌnʌl ə fɪˈkeɪ ʃən/ noun 1. an act or instance of . 2. the state of being . 3. (often initial capital letter) the failure or refusal of a U.S. state to aid in enforcement of federal laws within its limits, especially on Constitutional grounds. n. in U.S. political sense of “a state’s […]
[nuhl-uh-fid-ee-uh n] /ˌnʌl əˈfɪd i ən/ noun 1. a person who has no faith or religion; skeptic. /ˌnʌlɪˈfɪdɪən/ noun 1. a person who has no faith or belief; sceptic; disbeliever adjective 2. having no faith or belief n. 1560s, from Latin nulli-, comb. form of nullus “no” (see null) + fides “faith” (see faith).