a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil | the whole amount |
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 |
(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories | a quantity obtained by the addition of a group of numbers |
the choicest or most essential or most vital part of some idea or experience | the final aggregate |
the central meaning or theme of a speech or literary work | a set containing all and only the members of two or more given sets |
a small group of indispensable persons or things | a quantity of money |
the center of an object | |
the central part of the Earth | |
a cylindrical sample of soil or rock obtained with a hollow drill | |