Nucleus

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Nucleus Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • a part of the cell containing DNA and RNA and responsible for growth and reproduction
  • any histologically identifiable mass of neural cell bodies in the brain or spinal cord
  • a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"
  • the positively charged dense center of an atom
  • (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail

Definitions from Wiktionary


  • a part of the cell containing DNA and RNA and responsible for growth and reproduction ,
  • the positively charged dense center of an atom ,
  • a small group of indispensable persons or things; "five periodicals make up the core of their publishing program" ,
  • (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail ,
  • any histologically identifiable mass of neural cell bodies in the brain or spinal cord

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Wikipedia Meaning and Definition on 'Nucleus'


  • Nucleus: Nucleus (pl: nuclei) is a Latin word for the seed inside a fruit. It may refer to: Atomic nucleus, the very dense central region of an atom Cell nucleus
  • Nucleus RTOS: Nucleus RTOS is a real-time operating system (RTOS) offered by the Embedded Software Division of Mentor Graphics for various central processing unit (CPU)
  • Fastigial nucleus: fastigial nucleus is located in the cerebellum. It is one of the four deep cerebellar nuclei (the others being the nucleus dentatus, nucleus emboliformis
  • Hypoglossal nucleus: The hypoglossal nucleus is a cranial nerve nucleus, and it extends the length of the medulla, and being a motor nucleus, is close to the midline. In the
  • Nucleus ambiguus: nucleus ambiguus (literally "ambiguous nucleus") is a group of large motor neurons, situated deep in the medullary reticular formation. The nucleus ambiguus
  • Abducens nucleus: The abducens nucleus is the originating nucleus from which the abducens nerve (VI) emerges - a cranial nerve nucleus. This nucleus is located beneath
  • Nucleus accumbens: The nucleus accumbens (NAc or NAcc), also known as the accumbens nucleus or as the nucleus accumbens septi (Latin for nucleus adjacent to the septum)
  • Atomic nucleus: The nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the
  • Trochlear nucleus: The nucleus of the trochlear nerve is located in the lower midbrain, at the level of the inferior colliculus. It is a motor nucleus, so is located near
  • Cell nucleus: In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel or seed) is a membrane-enclosed organelle found in eukaryotic

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