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WordReference Random House Unabridged Dictionary of American English © 2024nul•li•ty (nul′i tē),USA pronunciation n., pl. -ties for 2–4.- the state or quality of being null;
nothingness;
invalidity. - something null.
- something of no legal force or validity.
- a person of negligible importance.
- Medieval Latin nūllitās. See null, -ity
- 1560–70
Collins Concise English Dictionary © HarperCollins Publishers:: nullity /ˈnʌlɪtɪ/ n ( pl -ties)- the state of being null
- a null or legally invalid act or instrument
- something null, ineffective, characterless, etc
Etymology: 16th Century: from Medieval Latin nullitās, from Latin nullus no, not any null /nʌl/USA pronunciation adj. - lacking value or significance.
- being or amounting to nothing;
nil. - Mathematics(of a set)
- empty:A null set is a collection that has no members in it.
Idioms- Idioms null and void, without force or effect;
not valid:The contract is now null and void.
nul•li•ty, n. [uncountable]See -null-.-null-, root. - -null- comes from Latin, where it has the meaning "none;
not one.'' This meaning is found in such words as: annul, null, nullify.
WordReference Random House Unabridged Dictionary of American English © 2024null (nul),USA pronunciation adj. - without value, effect, consequence, or significance.
- being or amounting to nothing;
nil;
lacking;
nonexistent. - Mathematics(of a set)
- being or amounting to zero.
- Idioms null and void, without legal force or effect;
not valid:This contract is null and void.
n. - Electronicsa point of minimum signal reception, as on a radio direction finder or other electronic meter.
v.t. - to cancel;
make null.
- Latin nūllus, equivalent. to n(e) not + ūllus any
- 1555–65
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