core

1
[ kawr, kohr ]
/ kɔr, koʊr /

noun

verb (used with object), cored, cor·ing.

adjective

of central importance; basic; fundamental: the core values of our organization.
noting or relating to the muscles of the torso: core exercises for back pain.

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Origin of core

1
First recorded in 1350–1400; 1945–50 for def. 11; Middle English; origin uncertain; perhaps from Old French cors “body,” from Latin corpus

OTHER WORDS FROM core

coreless, adjective

WORDS THAT MAY BE CONFUSED WITH core

core , corps, corpse, corpus

Definition for core (2 of 5)

core2
[ kawr, kohr ]
/ kɔr, koʊr /

noun Chiefly Scot.

a small company or group of people, especially a gang of miners or a small corps of workers.

Origin of core

2
1150–1200; Middle English chor(e) dance, company of dancers or singers. See chorus

Definition for core (3 of 5)

Core
[ kawr-ee, kohr-ee ]
/ ˈkɔr i, ˈkoʊr i /

noun

Classical Mythology. Kore.

Definition for core (4 of 5)

CORE

or C.O.R.E.

[ kawr, kohr ]
/ kɔr, koʊr /

noun

Congress of Racial Equality.

Definition for core (5 of 5)

-core

a combining form extracted from hard-core and used especially to form words that name a rebellious, antimainstream lifestyle, social movement, type of music, etc.: emocore; queercore.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for core

British Dictionary definitions for core (1 of 3)

core
/ (kɔː) /

noun

verb

(tr) to remove the core from (fruit)

Derived forms of core

coreless, adjective

Word Origin for core

C14: of uncertain origin

British Dictionary definitions for core (2 of 3)

CORE
/ (kɔː) /

n acronym for (in the US)

Congress of Racial Equality

British Dictionary definitions for core (3 of 3)

-core

n combining form

indicating a type of popular musicdancecore

adj combining form

indicating the number of processing units working in parallel in a computerdual-core
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for core (1 of 2)

core
[ kôr ]

n.

The central or innermost part.
The part of a nuclear reactor where fission occurs.

Medical definitions for core (2 of 2)

core-

pref.

Pupil:corectopia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for core

core
[ kôr ]

The central or innermost portion of the Earth, lying below the mantle and probably consisting of iron and nickel. It is divided into a liquid outer core, which begins at a depth of 2,898 km (1,800 mi), and a solid inner core, which begins at a depth of 4,983 km (3,090 mi).
A piece of magnetizable material, such as a rod of soft iron, that is placed inside an electrical coil or transformer to intensify and provide a path for the magnetic field produced by the current running through the wire windings.
The central part of a nuclear reactor where atomic fission occurs. The core contains the fuel, the coolant, and the moderator.
A long, cylindrical sample of soil, rock, or ice collected with a drill to study the strata of material that are not visible from the surface.
A stone from which one or more flakes have been removed, serving as a tool in itself or as a source of flakes from which other tools could be fashioned. Stones used as cores include flint, chert, and obsidian. See more at core tool.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for core

core

In geology, the central region of the Earth; it extends fourteen hundred to eighteen hundred miles from the Earth's center.

notes for core

The core is made primarily of iron and nickel and has two parts — an inner solid core and an outer liquid core.

notes for core

The mantle is the layer of the Earth that overlies the core.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with core

core

see rotten to the core.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.