the real physical matter of which a person or thing consists | a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil |
a particular kind or species of matter with uniform properties | the chamber of a nuclear reactor containing the fissile material where the reaction takes place |
the property of holding together and retaining its shape | (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories |
the idea that is intended | the choicest or most essential or most vital part of some idea or experience |
the choicest or most essential or most vital part of some idea or experience | the central meaning or theme of a speech or literary work |
content communicating a message; what something is about | a small group of indispensable persons or things |
considerable capital (wealth or income) | the center of an object |
material of a particular kind or constitution | the central part of the Earth |
| a cylindrical sample of soil or rock obtained with a hollow drill |