nucleus
意味
- 中心,核
- (生物の)細胞核
- 原子核
例文
A great deal of energy is locked up in the nucleus.
原子核には大量のエネルギーが封じ込められている。
You two are the nucleus of the team.
君たち二人はこのチームの中心です。
語源
英語の原文（Wiktionary）
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.