Nucleus

Nucleus (pl.: nuclei) is a Latin word for the seed inside a fruit. It most often refers to:

• Atomic nucleus, the very dense central region of an atom
• Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA

Nucleus may also refer to:

Science, technology, and mathematics

Astronomy

• Active galactic nucleus in astronomy
• Comet nucleus, the solid, central part of a comet

Biology

• Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA
• Nucleus (neuroanatomy), a cluster of cell bodies of neurons in the central nervous system
• Nucleus that forms in the eye in nuclear sclerosis (early cataracts)
• Nucleus, a scientific journal concerned with the cell nucleus; published by Taylor & Francis
• Nucleus, a small colony of honeybees, induced to raise a new queen by the beekeeper

Computer systems

• Nucleus (operating system), sometimes a synonym for kernel
• Nucleus CMS, a weblog system
• Nucleus RTOS, a real-time operating system (RTOS)
• Nucleus, part of an operating system loaded by an Initial Program Load or boot loader

Mathematics

• Nucleus (algebra), the elements of a ring that associate with all others
• Nucleus (order theory), a mathematical term

Other sciences

• Nucleus (syllable), in linguistics, the central part of a syllable
• Atomic nucleus, the very dense central region of an atom
• Condensation nucleus, the seed of a raindrop
  • Ice nucleus, the seed of a snowflake

Arts and media

• Nucleus (band), a jazz-rock band from Britain
• Nucleus (video game), a 2007 downloadable game on the PlayStation Store
• Nucleus (Anekdoten album), 1995
• Nucleus (Deeds of Flesh album), 2020
• Nucleus (Sonny Rollins album), 1975
• Nucleus, predecessor to Canadian rock band A Foot in Coldwater
• Nucleus, a scientific journal concerned with the cell nucleus; published by Taylor & Francis

Other uses

• Nucleus (advocacy group), a UK-European political advocacy campaign organisation
• Nucleus Limited, an Australian medical research company, taken over by Pacific Dunlop in 1988
• nuCLEus, a proposed 54-story mixed use building in Cleveland, Ohio, US
• Nucleus, the Nuclear and Caithness Archives, a British national archive

See also

• Nuclear (disambiguation)
• Nucleation
• Nucleic acid
• Nucleolus
• Core (disambiguation)