Definition of "superheater" [su•per•heat•er]

• A component of a boiler system that heats the steam produced above its saturation temperature to prevent it condensing, and in case of a steam engine to improve its efficiency. (noun)

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• "An illustration of Smith's superheater is shown on plate 58, figure 13."
• "The still is heated directly with a coal or coke fire, and in this fire space is the superheater, which consists of a coil of pipes through which high pressure steam from the boiler is superheated."
• "The quantity of water required is very small, being only about 7 pints for each 1,000 cubic feet of gas, and, except on the first occasion when the apparatus is started, the coil is heated by some of the gas drawn from the holder, so that after the gas is lighted under the coil the superheater requires no attention."