English to English Dictionary

Nucleolus

A small dense spherical structure in the nucleus of a cell during interphase, primarily responsible for the production and assembly of ribosomes.

Null

Having no legal force or validity; invalid or void.

Nullify

To make legally null and void; invalidate.

Nursemaid

A female servant employed to care for young children in a household.

Nuzzle

To press or rub affectionately against someone or something with the nose or face.

ne'er-do-well

A lazy, irresponsible person who achieves nothing worthwhile.

nefarious

Wicked, villainous, or criminal.

neurotypical

Having a style of neurocognitive development that is considered normal or typical; not autistic or otherwise neurodivergent.

nimble

Quick and light in movement or action; agile.

nitpicker

A person who finds faults in details that are not important, or is excessively critical of minor mistakes.

nucleosynthesis

The natural formation of atomic nuclei more complex than the hydrogen-1 nucleus, through nuclear fusion reactions in stars, supernovae, or the early universe.

nullification

The action of a state impeding or attempting to impede the operation and enforcement within its territory of a law of the federal union.