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core
1[ kawr, kohr ]
/ kɔr, koʊr /
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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
1First 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, adjectiveWords nearby core
Other definitions 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
2First recorded in 1620–30; alteration of Middle English chor(e) “group, company; choir”; see chorus
Other definitions for core (3 of 5)
Other definitions for core (4 of 5)
CORE
or C.O.R.E.
[ kawr, kohr ]
/ kɔr, koʊr /
noun
Congress of Racial Equality.
Other definitions for core (5 of 5)
-core
a combining form extracted from hard-core, used to form words that name a rebellious or nonmainstream lifestyle, social movement, type of music, etc.: normcore; queercore; emocore.
the compounding form of core, used to form words describing an aesthetic or imagery that evokes nostalgia for vintage styles, traditional skills, past trends, etc.: grandmacore; cottagecore.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use core in a sentence
British Dictionary definitions for core (1 of 3)
core
/ (kɔː) /
noun
verb
(tr) to remove the core from (fruit)
Derived forms of core
coreless, adjectiveWord 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
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.
Other 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.