Nucleus (: 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 Financial, a British financial services company 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 Swadhin Bangla Biplobi Parishad, also known as Nucleus
See also Nuclear (disambiguation) Nucleation Nucleic acid Nucleolus Core (disambiguation)