nul-, null-, nulli- +

(Latin: not one, not any, none, nothing)

nulli secundus
Second to none.
1. The act of making something legally invalid, counteracting, or overriding the effect or force of something.
2. The act of canceling something out.
3. The refusal by a state government to allow the application of a section of federal law.
4. In U.S. history, a doctrine expounded by the advocates of extreme states' rights which held that states have the right to declare null and void any federal law that they deem unconstitutional.
1. Someone who believes in nullification as a means by which U.S. states may resist federal laws.
2. Anyone who nullifies or makes void and who maintains the right to nullify a contract by one of the parties involved.
1. To counteract the force or effectiveness of or to have the effect of canceling something out.
2. To revoke something or to make it invalid; negate, revoke, veto, void, and undo.
3. To make a legal agreement or decision to have no legal force.
4. Etymology: from Late Latin nullificare, "to esteem lightly, despise, to make nothing"; from Latin nullus, "not any" + root of facere, "to make".
A woman who has never given birth to a child.
A condition in which a woman has not given birth to a child.
Never having given birth to a child.
nullisomatic, nullisomic
A pair of chromosomes that are totally missing.

In this condition, the same homologous chromosome will be missing; such as, a human cell which does not have the thirteenth chromosome totally or both of the pairs are missing. This is always lethal in the case of humans.

nullity (s), nullities (pl)
1. Something of no importance or worth; nothingness.
2. Acts or things which are legally void or in states of being legally void or invalid; especially, with reference to marriages.
3. A lack of effectiveness or usefulness.
4. Something which may be treated as nothing, as if it did not exist or never happened.

This can take place by a court ruling or an enactment of a statute.

The most common example is a nullity of a marriage by a court judgment.

Nullumst iam dictum quod non sit dictum prius. (Latin proverb)
Translation: "Nothing is ever said that has not been said before."

From Publius Terentius Afer (c. 185 - 159 B.C.). Terence was the son of a Libyan slave and was born at Carthage. Cicero and Horace admired him for the urbanity and polish of his plays; Caesar praised his love of "pure speech".

terra nullius (s) (noun), terrae nullius (pl)
Land that does not belong to anyone; empty land; no-man's land: In Australia, the idea and legal concept that when the first Europeans arrived in Australia, the land was terra nullius and not possessed by any one, and therefore open to settlement. It has been judged not to be legally valid.
testis unus, testis nullus
One witness, no witness: According to this law-principle statement, testis unus, testis nullus is unsupported testimony and so it is no better than the complete absence of testimony; so, we should not give any trust to a story we hear from just one source.
Ubi ius (jus) incertum, ibi ius (jus) nullum.
Where the law is uncertain, there is no law.

When carried to an extreme, uncertainty destroys law and the result is anarchy (essentially no law or government).

Ubi jus incertum, ibi jus nullum.
1. Where the law is uncertain, there is no law.
2. Where one's right is uncertain, no right exists.