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Superheated steam is water vapor heated above its boiling point at a specific pressure. For instance, at standard atmospheric pressure, superheated steam exceeds 100°C (212°F). This process involves adding extra heat to a vapor that is already in a dry and saturated state, resulting in a corresponding rise in temperature.12

Superheating is a technique used to increase the efficiency of devices that convert heat into mechanical work. The term "superheat" can also refer to heating a liquid above its boiling point without it vaporizing.13

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