• Finnish: ydin
• Greek: πυρήνας
• Japanese: 核
• Polish: jądro
• Russian: ядро, центр
• Spanish: núcleo

• Finnish: ydin
• Russian: ядро

• ttbc Breton: derc'han -où p
• ttbc Chinese: 原子核(1)
• ttbc Dutch: kern , atoomkern
• ttbc German: Nukleus , Kern
• ttbc Icelandic: kjarni
• ttbc Interlingua: nucleo
• ttbc Italian: nucleo
• ttbc Kurdish: navok , navik , kakil
• ttbc Malaysian: nuklues
• ttbc Norwegian: kjærne
• ttbc Portuguese: núcleo
• ttbc Romanian: nucleu
• ttbc Scottish Gaelic: cridhe , eitean
• ttbc Swedish: kärna (1,3) cellkärna (2)
• ttbc Urdu: مرکزہ (markazzah)

See also

• pedialite Atomic nucleus
• pedialite Cell nucleus
• pedialite Comet

Latin

Etymology

From nux.

Noun

1. kernel

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 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 http://www.dave-cushman.net/bee/unite_nuc.html

In astronomy

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

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

• lookfrom Nucleus
• Nucleolus
• Nuclear
• Nucleation
• lookfrom Nucleo
• Nucleic acid

Anlage, Kern, NMR, alpha particle, antibaryon, antilepton, antimeson, atomic nucleus, atomic particle, axiom, axis, baryon, basichromatin, beta particle, bud, center, center of action, center of gravity, centroid, centrum, chromatin, chromatin strands, core, dead center, diameter, diaphragm, egg, electron, elementary particle, elixir, embryo, epicenter, equator, essence, essential, flower, focus, fundamental, germ, germen, gist, gravamen, heart, heterochromatin, hub, hypostasis, inner essence, interior, karyosome, karyotin, kernel, lepton, loins, macronucleus, marrow, mean, meat, median, medulla, meganucleus, meson, metacenter, micronucleus, middle, midmost, midriff, midst, nave, navel, neutron, nub, nuclear force, nuclear magnetic resonance, nuclear particle, nuclear resonance, nucleolus, nucleon, nucleosynthesis, nuts and bolts, omphalos, ovum, photon, pith, pivot, plasmosome, postulate, principle, proton, quid, quiddity, quintessence, rudiment, sap, seed, soul, spark, spermatozoon, spirit, storm center, strangeness, strong interaction, stuff, substance, the nitty-gritty, thick, thick of things, triton, umbilicus, valence electron, waist, waistline, zone