core

/kˈɔr/

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Noun
a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"
Noun
the center of an object; "the ball has a titanium core"
Noun
the central part of the Earth
Noun
the choicest or most essential or most vital part of some idea or experience; "the gist of the prosecutor''s argument"; "the heart and soul of the Republican Party"; "the nub of the story"
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(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories; "each core has three wires passing through it, providing the means to select and detect the contents of each bit"
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; "core an apple"
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