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coring

[kawr-ing, kohr-]

Origin

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noun

the act of removing a core or of cutting from a central part.

Geology, Mining. core (def. 4).

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Origin:
1865–70; core¹ + -ing¹

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Coring is always a great word to know.

So is permeability. Does it mean:

capability of a porous rock or sediment to permit the flow of fluids through its pore spaces

central portion of the earth believed to be composed mainly of iron and nickel in a molten state

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Dictionary.com Unabridged

noun

the central part of a fleshy fruit, containing the seeds.

the central, innermost, or most essential part of anything.

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.

(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.

the inside wood of a tree.

EXPAND

Anthropology. a lump of stone, as flint, from which prehistoric humans struck flakes in order to make tools. Compare flake tool.

Carpentry.

a thickness of wood forming a base for a veneer.

a wooden construction, as in a door, forming a backing for veneers.

Engineering. kern².

Metallurgy.

a thickness of base metal beneath a cladding.

the softer interior of a piece of casehardened metal.

a specially formed refractory object inserted into a mold to produce cavities or depressions in the casting that cannot be readily formed on the pattern.

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 crust (def. 6), mantle (def. 3).

11.

Also called reactor core. Physics. the region in a reactor that contains its fissionable material.

12.

Computers.

Also called magnetic core. a small ring or loop of ferromagnetic material with two states of polarization that can be changed by changing the direction of the current applied in wires wound around the ring, used to store one bit of information or to perform switching or logical functions.

Also called main memory, RAM. a term used to refer to main memory, though no longer made from from coils of ferromagnetic material.

13.

Ropemaking. heart (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 onset (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.

COLLAPSE

verb (used with object)

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.

Origin:
1275–1325; 1945–50 for def. 11; Middle English; origin uncertain; perhaps < Old French cors body < Latin corpus

Related forms

core·less, adjective

Synonyms
2. essence, heart, gist, center.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To coring

Etymonline

Word Origin & History

core

late 14c., probably from O.Fr. coeur "core of fruit, heart of lettuce," lit. "heart," from L. cor "heart," from PIE base *kerd- "heart" (see heart).

American Heritage

Medical Dictionary

core (kôr)
n.

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

American Heritage

Science Dictionary

core (kôr) Pronunciation Key

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.