Alternative letter-case form of Solar System; the Sun and all the objects in orbit around it.

Any collection of heavenly bodies including a star or binary star, and any lighter stars, brown dwarfs, planets, and other objects in orbit.

(astronomy) A group of stars (and possibly smaller bodies such as planets or asteroids) that orbit one another.

The system of units developed in France in the 1790s and now used worldwide.

A system of measurement in use in the United Kingdom and other Commonwealth countries, now mostly superseded by the metric system; similar to the system currently used in the United States; consisting of units such as the inch, the mile and the pound (of weight).

plural of sealed system

Any device with inner workings obscured.

Alternative spelling of file system

The process or art of defining the hardware and software architecture, components, modules, interfaces, and data for a computer system to satisfy specified requirements. One could see it as the application of systems theory to computing. Some overlap with the discipline of systems analysis appears inevitable. Design tools such as UML now address some of the issues of computer systems design and interfacing.

(geometry, mathematical analysis) A method of representing the position of any individual point in a space of given dimensionality as a tuple of numerical coordinates.