CORED

A small group of indispensable persons or things

Example: "Five periodicals make up the core of their publishing program"

An organization founded by james leonard farmer in 1942 to work for racial equality

The center of an object

Example: "The ball has a titanium core"

The central part of the earth

The choicest or most essential or most vital part of some idea or experience

Example: "The gist of the prosecutor's argument"

A cylindrical sample of soil or rock obtained with a hollow drill

The central meaning or theme of a speech or literary work

(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories

Example: "Each core has three wires passing through it, providing the means to select and detect the contents of each bit"

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

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