(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories
a small group of indispensable persons or things
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
a cylindrical sample of soil or rock obtained with a hollow drill
remove the core or center from
the center of an object
the central part of the Earth
the chamber of a nuclear reactor containing the fissile material where the reaction takes place
an army unit usually consisting of two or more divisions and their support
a body of people associated together
