Nucleus
Nucleus can mean:
- atomic nucleus, the collection of protons and neutrons in the center of an atom that carries the bulk of the atom's mass and positive charge
- cell nucleus, the membrane-bound subcellular organelle found in eukaryotes, visible via microscopy, which contains, primarily, the cell's chromosomes
- nucleus, a term in neuroanatomy used to describe a central nervous system structure composed mainly of gray matter that mediates electrical signaling within a particular subsystem
- comet nucleus, the solid core of a comet
- galaxy nucleus, the central region of a galaxy
- ice nucleus, the center of an ice crystal.
- cloud condensation nuclei, the basis for the development of a cloud droplet
- syllable nucleus, the central part of a syllable
- sentence nucleus, the syllable which receives the greatest stress in a word
- Nucleus CMS, an open-source weblog system
- the kernel of an operating system
- Nucleus RTOS, a brand of operating system
- Nucleus, a British jazz-rock band led by Ian Carr
Etymology
Nucleus is New Latin, diminutive of the Latin nux (nut).