su·​per·​heat | \ ˌsü-pər-ˈhēt How to pronounce superheat (audio) \
superheated; superheating; superheats

Definition of superheat

 (Entry 1 of 2)

transitive verb

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


su·​per·​heat | \ ˈsü-pər-ˌhēt How to pronounce superheat (audio) , ˌsü-pər-ˈhēt\

Definition of superheat (Entry 2 of 2)

: the extra heat imparted to a vapor in superheating it from a dry and saturated condition also : the corresponding rise of temperature

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Other Words from superheat


superheater noun

Examples of superheat in a Sentence

Recent Examples on the Web: Verb

Solar panels generate electrical power, which the vehicle then uses to generate microwaves, which superheat the water up to Sun-surface temperatures. Sarah Scoles, WIRED, "Here Come the Space Tugs, Ready to Tidy Up Earth's Orbits," 22 Aug. 2019 Ben Platt didn’t stumble tenderfooted into the title character of Dear Evan Hansen, the musical in which his superheated, sung-through-sobs performance earned him a Tony, an Emmy, and a Grammy before his 25th birthday. Vogue, "Ben Platt on His Next Act: A Star Turn in Ryan Murphy's The Politician," 20 Aug. 2019 The plastic will trap the sun’s rays to superheat the soil, killing grass, weeds, weed seeds, etc. Nan Sterman, San Diego Union-Tribune, "34 things to do in the garden in July," 3 July 2019 When superheated cast iron meets shreds of potato skin embedded in the dough, the slight charring ignites one final flourish of barbecue brisket essence. Ali Bouzari, San Francisco Chronicle, "Housemade: The silent science behind three signature dishes at Duna," 12 Apr. 2018 Make sure to put a chopstick or toothpick inside the bowl—if not, the water can superheat and make the bowl explode! Alyse Whitney, Bon Appetit, "18 Places You Should Be Cleaning with Vinegar in Your Kitchen," 18 Jan. 2018 Dolsot bibimbap takes the classic Korean all-in-one rice dish and superheats it in a stone bowl. Mike Sutter, San Antonio Express-News, "Review: Korean cafe serving up real Seoul food at Seoul Asian Market & Cafe," 14 Dec. 2017 Start now, so there is still enough sun and heat to superheat the soil to kill plants, weeds and seeds in the upper layer. Nan Sterman,, "September in the garden," 31 Aug. 2017 The good news for Democrats is that state Senate candidate Manka Dhingra was running first in the Eastside’s superheated 45th District campaign. Danny Westneat, The Seattle Times, "Hoping for a liberal revolution in Tuesday’s vote? Not so fast," 1 Aug. 2017

Recent Examples on the Web: Noun

Turn the water off, then wait six to eight weeks as the soil superheats to kill the grass and weeds. Nan Sterman,, "Garden chores for August," 3 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'superheat.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of superheat


1849, in the meaning defined at sense 1


1852, in the meaning defined above

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Statistics for superheat

Last Updated

25 Aug 2019

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Time Traveler for superheat

The first known use of superheat was in 1849

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More from Merriam-Webster on superheat

Rhyming Dictionary: Words that rhyme with superheat

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to fake an opponent out of position

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