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.
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
British Dictionary definitions for null and void
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 and void
null
[ nŭl ]
Of or relating to a set having no members or to zero magnitude.
Idioms and Phrases with null and void
null and void
Canceled, invalid, as in The lease is now null and void. This phrase is actually redundant, since null means “void,” that is, “ineffective.” It was first recorded in 1669.