su·per·heat
ˌsü-pər-ˈhēt 
superheated; superheating; superheats
1
: to heat (a vapor not in contact with its own liquid) so as to cause to remain free from suspended liquid droplets
superheated steam
2
: to heat (a liquid) above the boiling point without converting into vapor
superheater
noun
su·per·heat
ˈsü-pər-ˌhēt
ˌsü-pər-ˈhēt
ˌsü-pər-ˈhēt
: the extra heat imparted to a vapor in superheating it from a dry and saturated condition
also
: the corresponding rise of temperature
Examples of superheat in a Sentence
Recent Examples on the Web
Erik Kobayashi-Solomon, Forbes.com, 17 July 2025
Use the sun’s rays to superheat the soil using the greenhouse effect.
—Nan Sterman, San Diego Union-Tribune, 6 July 2025
Camille Fine, USA TODAY, 13 Nov. 2022
Today Saudi Arabian engineers plan to build a plant with giant mirrors that concentrate sunlight and superheat water within a steel-and-glass dome more than 50 meters across.
—Prachi Patel, Scientific American, 26 Jan. 2021
See All Example Sentences for superheat
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Verb
Cala’s systems, which will hit the market later this summer, are designed to superheat water in the tank when electricity is cheap, then store it until needed.
—Erik Kobayashi-Solomon, Forbes.com, 17 July 2025
Use the sun’s rays to superheat the soil using the greenhouse effect.
—Nan Sterman, San Diego Union-Tribune, 6 July 2025
Noun
Auroras, usually between 62 and 186 miles above Earth's surface, are formed when streams of solar wind pass around the planet's magnetic field and superheat gases, which then glow in the night sky.
—Camille Fine, USA TODAY, 13 Nov. 2022
Today Saudi Arabian engineers plan to build a plant with giant mirrors that concentrate sunlight and superheat water within a steel-and-glass dome more than 50 meters across.
—Prachi Patel, Scientific American, 26 Jan. 2021
See All Example Sentences for superheat
Cite this Entry
“Superheat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superheat. Accessed 29 Oct. 2025.
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