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removed the center of a fruit
Not to be confused with:
chord – three or more musical tones
cord – a small rope; trousers made of corduroy
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree


1. The central or innermost part: a rod with a hollow core; the hard elastic core of a baseball.
2. The hard or fibrous central part of certain fruits, such as the apple or pear, containing the seeds.
3. The basic or most important part; the crucial element or essence: a small core of dedicated supporters; the core of the problem. See Synonyms at substance.
4. A set of subjects or courses that make up a required portion of a curriculum.
5. Electricity A soft iron rod in a coil or transformer that provides a path for and intensifies the magnetic field produced by the windings.
a. Computers A memory, especially one consisting of a series of tiny doughnut-shaped masses of magnetic material.
b. One of the magnetic doughnut-shaped masses that make up such a memory. Also called magnetic core.
7. Geology The central portion of the earth below the mantle, beginning at a depth of about 2,900 kilometers (1,800 miles) and probably consisting of iron and nickel. It is made up of a liquid outer core and a solid inner core.
8. A mass of dry sand placed within a mold to provide openings or shape to a casting.
9. A reactor core.
10. A cylindrical sample of rock, ice, or other material obtained from the center of a mass by drilling or cutting.
11. The base or innermost part, such as soft or inferior wood, surrounded by an outer part or covering, such as veneer wood.
12. Archaeology A stone from which one or more flakes have been removed, serving as a source for such flakes or as a tool itself.
13. Anatomy The muscles in the trunk of the human body, including those of the abdomen and chest, that stabilize the spine, pelvis, and shoulders.
tr.v. cored, cor·ing, cores
1. To remove the core or innermost part from: core apples.
a. To remove (a cylindrical sample) from something, such as a glacier.
b. To remove a cylindrical sample from (a glacier or soil layer, for example).
c. To remove small plugs of sod from (turf) in order to aerate it.
3. To form or build with a base or innermost part consisting of a different substance from that of the covering or outer part: a fiberglass boat deck that is cored with wood.
1. Of basic importance; essential: "Virtually all cultures around the world use the word heart to describe anything that is core, central, or foundational" (Robert A. Emmons).
2. Anatomy Of or relating to the muscles of the trunk of the human body: a core workout.

[Middle English.]


Congress of Racial Equality
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The cored sediments older than about 38 million years contain pollen from beech forests, fern spores, fresh-water diatoms that had been blown to sea from inland lakes, and clays that were formed by chemical weathering.