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[kawr, kohr] /kɔr, koʊr/

noun
1.
the central part of a fleshy fruit, containing the seeds.
2.
the central, innermost, or most essential part of anything.
3.
Also called magnetic core. Electricity. the piece of iron, bundle of iron wires, or other ferrous material forming the central or inner portion in an electromagnet, induction coil, transformer, or the like.
4.
(in mining, geology, etc.) a cylindrical sample of earth, mineral, or rock extracted from the ground by means of a corer so that the strata are undisturbed in the sample.
5.
the inside wood of a tree.
6.
Anthropology. a lump of stone, as flint, from which prehistoric humans struck flakes in order to make tools.
Compare .
7.
Carpentry.

8.
Engineering. 2 .
9.
Metallurgy.

10.
Geology. the central portion of the earth, having a radius of about 2100 miles (3379 km) and believed to be composed mainly of iron and nickel in a molten state.
Compare (def 6), (def 3).
11.
Also called reactor core. Physics. the region in a reactor that contains its fissionable material.
12.
Computers.

13.
Ropemaking. (def 16).
14.
Phonetics. the final segment of a syllable beginning with the vowel and including any following consonants; the nucleus plus the coda.
Compare (def 3).
15.
the muscles of the torso, which provide support for the spine and pelvis:
Building a strong core can help with posture and flexibility and can prevent back injury.
verb (used with object), cored, coring.
16.
to remove the core of (fruit).
17.
to cut from the central part.
18.
to remove (a cylindrical sample) from the interior, as of the earth or a tree trunk:
to core the ocean bottom.
19.
to form a cavity in (a molded object) by placing a core, as of sand, in the mold before pouring.
adjective
20.
of central importance; basic; fundamental:
the core values of our organization.
21.
noting or relating to the muscles of the torso:
core exercises for back pain.
/kɔː/
noun
1.
the central part of certain fleshy fruits, such as the apple or pear, consisting of the seeds and supporting parts
2.

3.
a piece of magnetic material, such as soft iron, placed inside the windings of an electromagnet or transformer to intensify and direct the magnetic field
4.
(geology) the central part of the earth, beneath the mantle, consisting mainly of iron and nickel, which has an inner solid part surrounded by an outer liquid part
5.
a cylindrical sample of rock, soil, etc, obtained by the use of a hollow drill
6.
shaped body of material (in metal casting usually of sand) supported inside a mould to form a cavity of predetermined shape in the finished casting
7.
(physics) the region of a nuclear reactor in which the reaction takes place
8.
a layer of wood serving as a backing for a veneer
9.
(computing)

10.
(archaeol) a lump of stone or flint from which flakes or blades have been removed
11.
(physics) the nucleus together with all complete electron shells of an atom
verb
12.
(transitive) to remove the core from (fruit)
/kɔː/
noun acronym (in the US)
1.
Congress of Racial Equality
n.

late 14c., probably from Old French coeur “core of fruit, heart of lettuce,” literally “heart,” from Latin cor “heart,” from PIE root *kerd- “heart” (see heart). Nuclear reactor sense is from 1949.
v.

mid-15c., from core (n.). Related: Cored; coring.

core (kôr)
n.

core
(kôr)

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

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

Note: The mantle is the layer of the Earth that overlies the core.

Related Terms

hard-core, soft-core
Congress of Racial Equality
see: rotten to the core