core; nucleus

a formal performance review, evaluation, or assessment process

to examine or investigate something thoroughly for correctness, completeness, or to grant approval

nuclear warhead

the process or system of business accounting and bookkeeping

to verify; to check

to verify and then formally approve after investigation

to conduct an official examination or audit to ensure compliance or safety

to assess or determine on a deemed basis, especially for taxation purposes

nuclear magnetic resonance (NMR)

an infectious bacterial disease, historically known as consumption, typically characterized by the growth of nodules in the tissues, especially the lungs

to check or examine information for accuracy by comparing it with another source

to double-check or verify data, calculations, or reports for accuracy before final approval

an infectious disease caused by Mycobacterium tuberculosis affecting the lungs; pulmonary tuberculosis

the fundamental nature or central core of a concept, doctrine, or spirit

Facilities or installations designed for nuclear power generation, research, or processing.

nucleus (of a cell)

colloquial abbreviation for a nucleic acid test (NAT), often referring to a COVID-19 PCR test

to audit and write off

relating to or utilizing nuclear energy, radiation, or weapons

to remove nuclear weapons or nuclear capabilities from a region, or to declare an area nuclear-free

the explosive part of a nuclear missile or its reentry vehicle

(physics) nuclide

karyotype (genetics)

core of the earth (geology)

not involving or possessing nuclear weapons or energy

the nucleolus within the nucleus of a cell

atomic nucleus

The spread of nuclear weapons and technology.