closed system

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Related to closed standard: Open standard

closed system

[¦klōzd ′sis·təm]
(engineering)
A system for water handling that does not permit air to enter.
(thermodynamics)
A system which is isolated so that it cannot exchange matter or energy with its surroundings and can therefore attain a state of thermodynamic equilibrium. Also known as isolated system.

closed system

A heating or refrigeration piping system in which the circulating water or brine is completely enclosed and under pressure above atmospheric.

closed system

A system in which the specifications are kept secret to prevent interference from third parties. It inhibits third-party software from being installed; it keeps third-party hardware from interoperating with it, and it prevents third-party enhancements from improving the product. Contrast with open system. See proprietary standards.
References in periodicals archive ?
A closed standard can limit the efficient functioning of the market, slow technological improvement, and reduce the benefits of network externalities.
They, therefore, decided to work on open standards rather than the closed standards used by organisations such as the Cable TV companies.
People feared it would squelch the Internet's wonderful diversity and openness and force closed standards and endlessly mediocre products on the world.
Today, content creators and business managers are shackled by solutions that limit the user with proprietary applications and closed standards.