RhymeZone: core definitions

Definitions of core:

noun: a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
noun: the chamber of a nuclear reactor containing the fissile material where the reaction takes place
noun: a small group of indispensable persons or things
Example: "Five periodicals make up the core of their publishing program"
noun: the center of an object
Example: "The ball has a titanium core"
noun: the central part of the Earth
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 choicest or most essential or most vital part of some idea or experience
noun: the central meaning or theme of a speech or literary work
verb: remove the core or center from
Example: "Core an apple"
name: A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #7344)