null
[ nuhl ]
/ nʌl /
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
Example sentences from the Web for null
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; characterless
a 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
Scientific definitions for null
null
[ nŭl ]
Of or relating to a set having no members or to zero magnitude.