Nucleus

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Look up nucleus in Wiktionary, the free dictionary.

Nucleus may refer to:

In physics

• Atomic nucleus, the collection of protons and neutrons in the center of an atom, also composed of subatomic matter
• Ice nucleus, the center of an ice crystal
• Cloud condensation nuclei, the basis for the development of a cloud droplet

In astronomy

• Comet nucleus, the solid core of a comet.
• Galaxy nucleus, the central region of a galaxy.

In biology

• Cell nucleus, the control center of a cell, which contains the cell's chromosomal DNA
• Nucleus (neuroanatomy), a central nervous system structure composed mainly of gray matter
• Beekeeping term for a small beehive [1]

In phonology

• Syllable nucleus, the central part of a syllable
• Sentence nucleus, the syllable which receives the greatest stress in a word

In computer systems

• Nucleus CMS, an open-source weblog system
• Nucleus RTOS, a brand of operating system

Other

• Nucleus (band), a British jazz-rock band led by Ian Carr
• Nucleus (video game), a downloadable game on the PlayStation Store
• Nucleus Limited, an Australian medical research company, taken over by Pacific Dunlop in 1988.

See also

• All pages beginning with Nucleus
• Nucleolus
• Nuclear
• Nucleation
• All pages beginning with Nucleo
• Nucleic acid

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