core

Definitions of core in various dictionaries:

noun - a small group of indispensable persons or things

noun - the center of an object

noun - the central part of the Earth

noun - the choicest or most essential or most vital part of some idea or experience

noun - a cylindrical sample of soil or rock obtained with a hollow drill

noun - an organization founded by James Leonard Farmer in 1942 to work for racial equality

noun - the central meaning or theme of a speech or literary work

noun - (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data

noun - the chamber of a nuclear reactor containing the fissile material where the reaction takes place

noun - a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil

verb - remove the core or center from

The hard or fibrous central part of certain fruits, such as the apple or pear, containing the seeds.

The central or innermost part: the hard elastic core of a baseball; a rod with a hollow core.

A set of subjects or courses that make up a required portion of a curriculum.

A soft iron rod in a coil or transformer that provides a path for and intensifies the magnetic field produced by the windings.

A memory, especially one consisting of a series of tiny doughnut-shaped masses of magnetic material.

One of the magnetic doughnut-shaped masses that make up such a memory.

The central portion of Earth below the mantle, beginning at a depth of about 2,900 kilometers (1,800 miles) and probably consisting of iron and nickel.

A mass of dry sand placed within a mold to provide openings or shape to a casting.

The part of a nuclear reactor where fission occurs.

A cylindrical mass drilled vertically into the earth and removed from it to determine composition or presence of oil or gas.

The base, usually of soft or inferior wood, to which veneer woods are glued.

verb - to remove the core (the central part) of