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  1. core
    IPA[kôr]
  2. noun

    • 1. the tough central part of various fruits, containing the seeds:

      quarter the pears, remove the cores then slice again into wedges
    • 2. the central or most important part of something.

    • 3. the part of something that is central to its existence or character:

      the plan has the interests of children at its core managers can concentrate on their core activities
      Synonym : heart, nucleus, nub, hub, kernel, marrow, meat, essence, quintessence, crux, gist, pith, substance, sum and substance, body, basis, bedrock, cornerstone, linchpin, mainspring, foundation, root, base, underpinning, fundamentals, essentials, basic principles, main ingredients, heart of the matter, nitty-gritty, brass tacks, nuts and bolts, ABC, basics
    • 4. an important or unchanging group of people forming the central part of a larger body:

      a flexible core of permanent employees
    • 5. the dense central region of a planet, especially the nickel–iron inner part of the earth.

      Synonym : center, interior, middle, nucleus, bosom, recesses, bowels, depths, innards, midst
    • 6. the central part of a nuclear reactor, which contains the fissile material.

    • 7. a tiny ring of magnetic material used in a computer memory to store one bit of data, now superseded by semiconductor memories.

    • 8. the inner strand of an electrical cable or rope.

    • 9. the muscles of the torso, especially the lower back and abdominal area, which assist in the maintenance of good posture, balance, etc.:

      nothing will strengthen your core like balancing a heavy barbell on your back or lifting one off the floor the core muscles of the abdomen
    • 10. a piece of soft iron forming the center of an electromagnet or an induction coil.

    • 11. an internal mold filling a space to be left hollow in a casting:

      bronzes that have been cast using a clay core
    • 12. a cylindrical sample of rock, ice, or other material obtained by boring with a hollow drill.

    • 13. a piece of flint from which flakes or blades have been removed.

    • 14. denoting or relating to a figure for inflation that excludes certain items, chiefly food and energy, that are subject to sudden and temporary price fluctuations:

      core inflation was up 2.3 percent over the 12 month period

    verb

    • 1. remove the tough central part and seeds from (a fruit):

      peel and core the pears
  3. Variation

    • n.: noun: core, plural noun: cores

    • abbreviation

      Congress of Racial Equality.
    • combining form

      (used as the second element of various compounds) denoting types of rock or dance music that have an aggressive presentation:
    • noun

      the tough central part of various fruits, containing the seeds:

      the part of something that is central to its existence or character:

    • verb

      remove the tough central part and seeds from (a fruit):
    • combining form

      denoting types of rock or dance music, typically those with an aggressive or extreme style:
    • abbreviation

      (in the US) Congress of Racial Equality.
    • adjective

      (of a video game) playable in a relatively short period of time while retaining some complexity:

      (of a gamer) preferring video games that are playable in a relatively short period of time while retaining some complexity:

    • noun

      a defining capability or advantage that distinguishes an enterprise from its competitors.

      a defined level of competence in a particular job or academic program.

    • noun

      a dump of the contents of main memory, carried out typically as an aid to debugging.
    • noun

      the capacity of the muscles of the torso to assist in the maintenance of good posture, balance, etc., especially during movement:
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