nucleus
- IPA[ˈnjuːklɪəs]
英式
- the central and most important part of an object, movement, or group, forming the basis for its activity and growth;the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
noun: nucleus, plural noun: nuclei
- 釋義
名詞
- 1. the central and most important part of an object, movement, or group, forming the basis for its activity and growth the nucleus of a British film-producing industry 同義詞
- 2. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
- ▪ a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
- ▪ a discrete mass of grey matter in the central nervous system.
- ▪ the solid part of a comet's head.