phonetic symbol: / kɔ́r / 

core - English Dictionary

[ 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 ]
■ (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■ now superseded by semiconductor memories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
magnetic core

[ noun ]
■ the choicest or most essential or most vital part of some idea or experience
center , centre , essence , gist , heart , heart and soul , inwardness , kernel , marrow , meat , nitty-gritty , nub , pith , substance , sum

[ noun ]
■ the central meaning or theme of a speech or literary work
burden , effect , essence , gist

[ noun ]
■ a small group of indispensable persons or things
・five periodicals make up the core of their publishing program
core group , nucleus

[ noun ]
■ an organization founded by James Leonard Farmer in 1942 to work for racial equality
congress of racial equality

[ noun ]
■ the center of an object
・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

[ verb ]
■ remove the core or center from
・core an apple

Word list en

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