Library / English Dictionary

CORE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

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)

Sense 2

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 3

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(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories

Example:

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

Synonyms:

core; magnetic core

Classified under:

Nouns denoting man-made objects

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core memory; magnetic core memory ((computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories)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 4

Meaning:

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

Example:

the nub of the story

Synonyms:

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

Classified under:

Nouns denoting cognitive processes and contents

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:

The central meaning or theme of a speech or literary work

Synonyms:

burden; core; effect; essence; gist

Classified under:

Nouns denoting communicative processes and contents

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

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

Sense 6

Meaning:

A small group of indispensable persons or things

Example:

five periodicals make up the core of their publishing program

Synonyms:

core; core group; nucleus

Classified under:

Nouns denoting groupings of people or objects

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 7

Meaning:

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

Synonyms:

Congress of Racial Equality; CORE

Classified under:

Nouns denoting groupings of people or objects

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

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

Sense 8

Meaning:

The center of an object

Example:

the ball has a titanium core

Classified under:

Nouns denoting spatial position

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 9

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 10

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)

 II. (verb) 

Sense 1

Meaning:

Remove the core or center from

Example:

core an apple

Classified under:

Verbs of touching, hitting, tying, digging

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)

Credits

 Context examples: 

Modification of the core histones through phosphorylation regulates chromatin condensation.

(AKAP8 in Mitosis Pathway, NCI Thesaurus/BIOCARTA)

Depending on the virus, the nucleocapsid may correspond to a naked core or be surrounded by a membranous envelope.

(Nucleocapsid Protein, NLM, Medical Subject Headings)

Tandem repeats form a right-handed superhelix (3 helixes per unit); tight repeat packing creates a cylindrical hydrophobic core throughout the structure.

(Armadillo Repeat, NCI Thesaurus)

Despite sequence variation, the domain core maintains a stable surface of contact residues to mediate protein-protein interactions.

(Ankyrin Repeat, NCI Thesaurus)

Capsid proteins surround and protect the viral nucleic acid core.

(Capsid Protein, NCI Thesaurus)

Upon administration, the ixazomib moiety hydrolyzes and generates its active form, MLN2238, which inhibits the activity of the 20S catalytic core subunit of the proteasome.

(Carbon C 14-labeled Ixazomib, NCI Thesaurus)

It generally has a favorable prognosis and is characterized histologically by tumor cells arranged in a papillary manner around vascularized mucoid stromal cores. (Adapted from WHO).

(Myxopapillary Ependymoma, NCI Thesaurus)

It consists of a specialized arrangement of 9 doublet microtubules in a ring with or without a core of 2 microtubules and is enclosed in a plasma membrane coat.

(Cilium, NCI Thesaurus)

A human papillomavirus-related cervical squamous cell carcinoma characterized by the presence of papillary structures with fibrovascular cores.

(Cervical Squamotransitional Carcinoma, NCI Thesaurus)

Having a black or dark core or plug.

(Comedo, NCI Thesaurus)