CORE

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does CORE mean? 

• CORE (noun)
  The noun CORE has 10 senses:

1. a small group of indispensable persons or things

2. the center of an object

3. the central part of the Earth

4. the choicest or most essential or most vital part of some idea or experience

5. a cylindrical sample of soil or rock obtained with a hollow drill

6. an organization founded by James Leonard Farmer in 1942 to work for racial equality

7. the central meaning or theme of a speech or literary work

8. (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories

9. the chamber of a nuclear reactor containing the fissile material where the reaction takes place

10. a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil

  Familiarity information: CORE used as a noun is familiar.

• CORE (verb)
  The verb CORE has 1 sense:

1. remove the core or center from

  Familiarity information: CORE used as a verb is very rare.

 Dictionary entry details 

• CORE (noun)

Sense 1

Meaning:

A small group of indispensable persons or things

Classified under:

Nouns denoting groupings of people or objects

Synonyms:

core; core group; nucleus

Context example:

five periodicals make up the core of their publishing program

Hypernyms ("core" is a kind of...):

set (a group of things of the same kind that belong together and are so used)

Hyponyms (each of the following is a kind of "core"):

cadre (a nucleus of military personnel capable of expansion)

Sense 2

Meaning:

The center of an object

Classified under:

Nouns denoting spatial position

Context example:

the ball has a titanium core

Hypernyms ("core" is a kind of...):

center; centre; midpoint (a point equidistant from the ends of a line or the extremities of a figure)

Hyponyms (each of the following is a kind of "core"):

corn cob; corncob (the hard cylindrical core that bears the kernels of an ear of corn)

Derivation:

core (remove the core or center from)

Sense 3

Meaning:

The central part of the Earth

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("core" is a kind of...):

center; centre; midpoint (a point equidistant from the ends of a line or the extremities of a figure)

Sense 4

Meaning:

The choicest or most essential or most vital part of some idea or experience

Classified under:

Nouns denoting cognitive processes and contents

Synonyms:

center; centre; core; essence; gist; heart; heart and soul; inwardness; kernel; marrow; meat; nitty-gritty; nub; pith; substance; sum

Context example:

the nub of the story

Hypernyms ("core" is a kind of...):

cognitive content; content; mental object (the sum or range of what has been perceived, discovered, or learned)

Hyponyms (each of the following is a kind of "core"):

bare bones ((plural) the most basic facts or elements)

hypostasis ((metaphysics) essential nature or underlying reality)

haecceity; quiddity (the essence that makes something the kind of thing it is and makes it different from any other)

quintessence (the purest and most concentrated essence of something)

stuff (a critically important or characteristic component)

Sense 5

Meaning:

A cylindrical sample of soil or rock obtained with a hollow drill

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("core" is a kind of...):

sample (all or part of a natural object that is collected and preserved as an example of its class)

Sense 6

Meaning:

An organization founded by James Leonard Farmer in 1942 to work for racial equality

Classified under:

Nouns denoting groupings of people or objects

Synonyms:

Congress of Racial Equality; CORE

Hypernyms ("CORE" is a kind of...):

NGO; nongovernmental organization (an organization that is not part of the local or state or federal government)

Sense 7

Meaning:

The central meaning or theme of a speech or literary work

Classified under:

Nouns denoting communicative processes and contents

Synonyms:

burden; core; effect; essence; gist

Hypernyms ("core" is a kind of...):

import; meaning; significance; signification (the message that is intended or expressed or signified)

Sense 8

Meaning:

(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories

Classified under:

Nouns denoting man-made objects

Synonyms:

core; magnetic core

Context example:

each core has three wires passing through it, providing the means to select and detect the contents of each bit

Hypernyms ("core" is a kind of...):

toroid; torus (a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle)

Domain category:

computer science; computing (the branch of engineering science that studies (with the aid of computers) computable processes and structures)

Holonyms ("core" is a part of...):

core memory; magnetic core memory ((computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories)

RAM; random-access memory; random access memory; random memory; read/write memory (the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible)

Sense 9

Meaning:

The chamber of a nuclear reactor containing the fissile material where the reaction takes place

Classified under:

Nouns denoting man-made objects

Hypernyms ("core" is a kind of...):

chamber (a natural or artificial enclosed space)

Holonyms ("core" is a part of...):

nuclear reactor; reactor ((physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements)

Sense 10

Meaning:

A bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil

Classified under:

Nouns denoting man-made objects

Hypernyms ("core" is a kind of...):

bar (a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon)

Holonyms ("core" is a part of...):

magnet ((physics) a device that attracts iron and produces a magnetic field)

• CORE (verb)

Present simple: I / you / we / they core    ... he / she / it cores   
Past simple: cored   
Past participle: cored   
-ing form: coring   

Sense 1

Meaning:

Remove the core or center from

Classified under:

Verbs of touching, hitting, tying, digging

Context example:

core an apple

Hypernyms (to "core" is one way to...):

core out; hollow; hollow out (remove the interior of)

Sentence frames:

Somebody ----s something
Something ----s something

Derivation:

core (the center of an object)

 Context examples 

When a wide needle is used, the procedure is called a core biopsy.

(Biopsy, NCI Dictionary)

The gene product limited to virus, and was found in either the nucleocapsid structure or the viral core.

(Nucleocapsid Protein, NCI Thesaurus)

Basement membrane-specific heparan sulfate proteoglycan core protein (4391 aa, ~469 kDa) is encoded by the human HSPG2 gene.

(Basement Membrane-Specific Heparan Sulfate Proteoglycan Core Protein, NCI Thesaurus)

Core library of terms associated with pediatrics, representing information related to child health and development from pre-birth through 21 years of age; contributed by the National Institute of Child Health and Human Development.

(NICHD Pediatric Terminology, NCI Thesaurus)

This gene is involved in generation of the common core 1 O-glycan structure.

(C1GALT1 Gene, NCI Thesaurus)

The Cancer Center Support Grant (P30) is an NCI grant to help fund designated centers' infrastructure of administration and core facilities.

(Cancer Center Support Grant, NCI Thesaurus)

This allele, which encodes H/ACA ribonucleoprotein complex non-core subunit NAF1 protein, is involved in riboprotein assembly.

(NAF1 wt Allele, NCI Thesaurus)

The most common core element is the TATA box, typically 25-30 bp upstream of the start site.

(Basal Transcription Factor Gene, NCI Thesaurus)

The repeating structural units of chromatin, each consisting of approximately 200 base pairs of DNA wound around a protein core.

(Nucleosome, NCI Thesaurus)

So if Mimas' core is oblong in shape, it likely represents a record of the moon's formation, frozen in time.

(Saturn Moon May Hide a 'Fossil' Core or an Ocean, NASA)