释义 |
WordReference Random House Learner's Dictionary of American English © 2024core1 /kɔr/USA pronunciation n., v., cored, cor•ing. n. [countable] - Botanythe central part of a fleshy fruit, containing the seeds:Remove the cores from the apples.
- the central part of the earth:[singular]the pressure at the earth's core.
- the most important or essential part of anything:the core of the new curriculum for business majors.
- Physicsthe region in a nuclear reactor that contains the radioactive material used to produce energy.
v. [~ + object] - to remove the core of (fruit):Core the apples.
Idioms- to the core, [uncountable] completely;
thoroughly:The villain was rotten to the core. core•less, adj. WordReference Random House Unabridged Dictionary of American English © 2024core1 (kôr, kōr),USA pronunciation n., v., cored, cor•ing. n. - Botanythe central part of a fleshy fruit, containing the seeds.
- the central, innermost, or most essential part of anything.
- ElectricityAlso called magnetic core. 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. See diag. under electromagnet.
- Geology, Mining(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.
- Botanythe inside wood of a tree.
- Anthropology, Archaeologya lump of stone, as flint, from which prehistoric humans struck flakes in order to make tools. Cf. flake tool.
- Building[Carpentry.]
- a thickness of wood forming a base for a veneer.
- a wooden construction, as in a door, forming a backing for veneers.
- Civil Engineering, Building[Engin.]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.
- Geologythe central portion of the earth, having a radius of about 2100 mi. (3379 km) and believed to be composed mainly of iron and nickel in a molten state. Cf. crust (def. 6), mantle (def. 3).
- Physicsthe region in a reactor that contains its fissionable material.
- ComputingAlso 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.
- Textiles[Ropemaking.]heart (def. 16).
- [Phonet.]the final segment of a syllable beginning with the vowel and including any following consonants;
the nucleus plus the coda. Cf. onset (def. 3). v.t. - to remove the core of (fruit).
- to cut from the central part.
- to remove (a cylindrical sample) from the interior, as of the earth or a tree trunk:to core the ocean bottom.
- to form a cavity in (a molded object) by placing a core, as of sand, in the mold before pouring.
- Latin corpus
- Old French cors body
- 1275–1325; 1945–50 for def. 11; Middle English; origin, originally uncertain; perh.
core′less, adj. - 2.See corresponding entry in Unabridged essence, heart, gist, center.
core2 (kôr, kōr),USA pronunciation n. [Chiefly Scot.]- Scottish Termsa small company or group of people, esp. a gang of miners or a small corps of workers.
- Middle English chor(e) dance, company of dancers or singers. See chorus 1150–1200
Co•re (kôr′ē, kōr′ē),USA pronunciation n. - BibleKorah.
- Mythology[Class. Myth.]Kore.
CORE (kôr, kōr),USA pronunciation n. - Congress of Racial Equality.
Also, C.O.R.E. |