## Meanings
1. The central part of an atom, made of protons and neutrons.
2. The central part of a cell that controls its growth and contains its DNA.
3. The central or most important part of something, around which the rest is built.

## Examples
- An atom has a dense nucleus surrounded by electrons.
- The nucleus carries the cell's genetic information.
- These few players form the nucleus of the new team.

## Derived Forms
- antinucleus
- binucleus
- endonucleus
- gameto-nucleus
- hypernucleus
- macronucleus
- meganucleus
- micronucleus
- myonucleus
- nucle-
- nuclear
- nuclease

## Roots and Affixes
- Root: nucleus

## Etymology
Etymology tree Proto-Italic *knuks Latin nux Latin nucleuslbor. English nucleus Learned borrowing from Latin nucleus (“kernel, core”). The earliest uses refer to the head of a comet and the kernel of a seed, both recorded in Lexicon Technicum in 1704. The sense in atomic physics was coined by British scientist Michael Faraday in 1844 in a theoretical meaning.

## AI Etymology
Nucleus is a learned borrowing from Latin nucleus (“kernel, core”). The earliest uses refer to the head of a comet and the kernel of a seed, both recorded in Lexicon Technicum in 1704. The sense in atomic physics was coined by British scientist Michael Faraday in 1844 in a theoretical meaning. Modern senses include the central part of an atom, made of protons and neutrons and the central part of a cell that controls its growth and contains its DNA. The wider word family includes derivatives such as antinucleus, binucleus, endonucleus, gameto-nucleus, hypernucleus, and macronucleus.

## Topics
- Space, Position & Direction

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