Nucleus

Double click on any word to get a popup explanation of the word and sample sentences
Dictionary | Wikipedia | Synonyms | News

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

Would you like to add your own explaination to this word 'Nucleus'?

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
  • Cell nucleus: In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel) is a membrane-enclosed organelle found in eukaryotic cells.
  • Ventral posterolateral nucleus: posterolateral nucleus (VPL) is a nucleus of the thalamus. Together with the ventral posteromedial nucleus (VPM), ventral posterior inferior nucleus (VPI) and
  • Dorsal nucleus of vagus nerve: The dorsal nucleus of the vagus nerve (or posterior motor nucleus of vagus) is a cranial nerve nucleus for the vagus nerve in the medulla that lies under
  • Principal sensory nucleus of trigeminal nerve: The principal sensory nucleus (or chief sensory nucleus of V) is a group of second order neurons which have cell bodies in the caudal pons. It receives
  • Edinger–Westphal nucleus: The Edinger–Westphal nucleus (accessory oculomotor nucleus) is the parasympathetic pre-ganglionic nucleus that innervates the iris sphincter muscle and
  • Lateral vestibular nucleus: The lateral vestibular nucleus (Deiters’s nucleus) is the continuation upward and lateralward of the principal nucleus, and in it terminate many of the
  • Parvocellular reticular nucleus: reticular nucleus is part of the brain located dorsolateral to the caudal pontine reticular nucleus. The dorsal portion of the reticular nucleus has been
  • Trochlear nucleus: The nucleus of the trochlear nerve is located in the midbrain, at the level of the inferior colliculus. It is a motor nucleus, so is located near the

Words and phrases related to 'Nucleus'



Nucleus Sample Sentences in News



Want to be famous? Add your definition to the meaning of 'Nucleus'


Search for more meaning of 'Nucleus' on the web