- In biology, the core of a fruit contains its seeds.
- In planetary science, the core of a planet contains its innermost layer(s). Due to planetary differentiation, such layers tend to be more dense than outer layers.
- In archaeology, a core is a distinctive artifact that results from the practice of lithic reduction. In this sense, a core is the scarred nucleus resulting from the detachment of one or more lithic flakes from a lump of source material or tool stone, usually by using a hard hammer percussor such as a hammerstone.
- In a nuclear reactor, the core is the portion containing the fuel components.
- In telecommunication, the term core has the following meanings:
- The central region about the longitudinal axis of an optical fiber, which region supports guiding of the optical signal.
- A piece of ferromagnetic material, usually toroidal in shape, used as a component in a computer core memory device.
- The material at the center of an electromechanical relay or solenoid, about which the coil is wound.
- Computers:
- In mathematics, the core of a group is an object appearing in group theory.
Other
ja:コア
uk:Ядро
|