Definitions for Nucleusˈnu kli əs, ˈnyu-; -kliˌaɪ

This page provides all possible meanings and translations of the word Nucleus

Princeton's WordNet

  1. nucleus, cell nucleus, karyon(noun)

    a part of the cell containing DNA and RNA and responsible for growth and reproduction

  2. nucleus(noun)

    the positively charged dense center of an atom

  3. core, nucleus, core group(noun)

    a small group of indispensable persons or things

    "five periodicals make up the core of their publishing program"

  4. nucleus(noun)

    (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

  5. nucleus(noun)

    any histologically identifiable mass of neural cell bodies in the brain or spinal cord

  6. lens nucleus, nucleus(noun)

    the central structure of the lens that is surrounded by the cortex

GCIDE

  1. Nucleus(n.)

    (Biol.) A body, usually spheroidal, in a eukaryotic cell, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents, which contains the chromosomal genetic material, including the chromosomal DNA. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division.

  2. Origin: [L., a kernel, dim. fr. nux, nucis, nut. Cf. Newel post.]

Wiktionary

  1. nucleus(Noun)

    The core, central part (of something), round which others are assembled.

  2. nucleus(Noun)

    An initial part or version that will receive additions.

    This collection will form the nucleus of a new library.

  3. nucleus(Noun)

    The massive, positively charged central part of an atom, made up of protons and neutrons.

  4. nucleus(Noun)

    A large organelle found in cells which contains genetic material.

  5. nucleus(Noun)

    A ganglion, cluster of many neuronal bodies where synapsing occurs.

  6. nucleus(Noun)

    The central part of a syllable, most commonly a vowel.

  7. Origin: From nucleus, a diminutive of nux.

Webster Dictionary

  1. Nucleus(noun)

    a kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or material portion; -- used both literally and figuratively

  2. Nucleus(noun)

    the body or the head of a comet

  3. Nucleus(noun)

    an incipient ovule of soft cellular tissue

  4. Nucleus(noun)

    a whole seed, as contained within the seed coats

  5. Nucleus(noun)

    a body, usually spheroidal, in a cell or a protozoan, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division

  6. Nucleus(noun)

    the tip, or earliest part, of a univalve or bivalve shell

  7. Nucleus(noun)

    the central part around which additional growths are added, as of an operculum

  8. Nucleus(noun)

    a visceral mass, containing the stomach and other organs, in Tunicata and some mollusks

  9. Origin: [L., a kernel, dim. fr. nux, nucis, nut. Cf. Newel post.]

Chambers 20th Century Dictionary

  1. Nucleus

    nū′klē-us, n. the central mass round which matter gathers: (astron.) the head of a comet:—pl. Nuclei (nū′klē-ī).adjs. Nū′clēal, Nū′clēar, pertaining to a nucleus.—v.t. Nū′clēāte, to gather into or around a nucleus.—adjs. Nū′clēate, -d, having a nucleus; Nū′clēiform.—ns. Nū′clēin, a colourless amorphous proteid, a constituent of cell-nuclei; Nū′cleobranch, one of an order of molluscs which have the gills packed in the shell along with the heart:—pl. Nucleobranchiă′ta; Nū′clēōle, a little nucleus: a nucleus within a nucleus—also Nuclē′olus:—pl. Nuclē′oli. [L.,—nux, nucis, a nut.]

Editors Contribution

  1. nucleus

    a special kind of central norma, the owner of a systruct enabling normas to operate in its systruct. it has no (business) implementation powers. implementation is licensed to numerous bothros, each with a specific operational mandate to implement dedicated programs according to the focus of the nucleus.

Numerology

  1. Chaldean Numerology

    The numerical value of Nucleus in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of Nucleus in Pythagorean Numerology is: 5

Sample Sentences & Example Usage

  1. William James Durant:

    The family is the nucleus of civilization.

  2. Robert Collier:

    Plant the seed of desire in your mind and it forms a nucleus with power to attract to itself everything needed for its fulfillment.

  3. Robert Collier:

    First the stalk -- then the roots. First the need -- then the means to satisfy that need. First the nucleus -- then the elements needed for its growth.

  4. Tunisian Defence Minister Farhat Harchani:

    We will participate in the formation of the nucleus of the Libyan army and security forces in Tunisia. This is our duty and we will help Libya to get it done.

  5. Craig Corcoran:

    We’re a powerful nucleus, all of us together. There is nothing we should be afraid of, all of these countries will respond together and they will get theirs, without question.

Images & Illustrations of Nucleus


Translations for Nucleus

From our Multilingual Translation Dictionary

Get even more translations for Nucleus »

Translation

Find a translation for the Nucleus definition in other languages:

Select another language:

Discuss these Nucleus definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Citation

Use the citation below to add this definition to your bibliography:

Style:MLAChicagoAPA

"Nucleus." Definitions.net. STANDS4 LLC, 2016. Web. 30 Apr. 2016. <http://www.definitions.net/definition/Nucleus>.

Are we missing a good definition for Nucleus? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for Nucleus:

Thanks for your vote! We truly appreciate your support.