Core

(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories

Synonyms

Magnetic core

Type of

Torus

Toroid

Examples

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

A small group of indispensable persons or things

Type of

Set

Has types

Cadre

Examples

Five periodicals make up the core of their publishing program

The central meaning or theme of a speech or literary work

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

An organization founded by James Leonard Farmer in 1942 to work for racial equality

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

Type of

Bar

Part of

Magnet

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

Type of

Sample

Remove the core or center from

Examples

Core an apple

The center of an object

Has types

Corn cob

Corncob

Examples

The ball has a titanium core

The central part of the Earth

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