• a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
• the chamber of a nuclear reactor containing the fissile material where the reaction takes place
• 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"
• the central meaning or theme of a speech or literary work
• a small group of indispensable persons or things; "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; "the ball has a titanium Core"
• the central part of the Earth
• a cylindrical sample of soil or rock obtained with a hollow drill
• remove the Core or center from; "Core an apple"

'Core' in other languages