This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. 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.

n. An apparatus for superheating steam.

n. In a steam-engine, a contrivance for increasing the temperature of the steam to the amount it would lose on its way from the boiler until exhausted from the cylinder.

"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."

catapult    watershed    calcis    voilà    stonecutter