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Definition nucleus

Etymology

Borrowed from Latin nucleus (“kernel, core”), a diminutive of nux (“nut”). The sense in atomic physics was coined by English scientist Michael Faraday in 1844 in a theoretical meaning.

Noun

nucleus (plural nuclei or nucleuses)

1. The core, central part of something, around which other elements are assembled.
2. An initial part or version that will receive additions.
3. (chemistry, physics) The massive, positively charged central part of an atom, made up of protons and neutrons.
4. (cytology) A large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.
5. (neuroanatomy) A ganglion, cluster of many neuronal bodies where synapsing occurs.
6. (phonetics, phonology) The central part of a syllable, most commonly a vowel.

Results 147 Words with the letters NUCLEUS

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