Nucleus

Nucleus (Latin for " core "), even nucleus generally means the functionally essential core of an object or a group. Specifically, the term stands for:

Atomic nucleus, the mass- carrying portion in the center of an atom
Flint block, abschlugen of the Stone Age pieces for the production of tools
Fruit core, the seed-bearing inside a hard core or drupe
Galaxy core, formed of massive core in the center of a galaxy
Nucleus, the eisdurchsetzte bedrock of a comet
Nuclear operator, Nuclear room, mathematical concepts
Nucleus (CNS), a collection of cell bodies in the central nervous system * syllable nucleus, a group of sounds in the natural flow of speech
Nucleus, usually a roundish shaped organelle of eukaryotic cells

Nucleus is the name of:

Nucleus (band), a British rock jazz group
Nucleus ( operating system) Real-Time Operating System
Nucleus CMS, on a weblog publishing system
The micro- kernel, which is implemented in real-time operating system ChorusOS.