Learn more about Nucleus

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Look up nucleus in Wiktionary, the free dictionary.

Nucleus may refer to:

In science:

  • 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 (neuroanatomy), 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

In linguistics:

In computer science:

In music:




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