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superheat

 - 3 dictionary results

su⋅per⋅heat

[n. soo-per-heet; v. soo-per-heet]
–noun
1. the state of being superheated.
2. the amount of superheating.
–verb (used with object)
3. to heat to an extreme degree or to a very high temperature.
4. to heat (a liquid) above its boiling point without the formation of bubbles of vapor.
5. to heat (a gas, as steam not in contact with water) to such a degree that its temperature may be lowered or its pressure increased without the conversion of any of the gas into liquid.

Origin:
1855–60; super- + heat


su⋅per⋅heat⋅er, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To superheat
su·per·heat   (sōō'pər-hēt')   
tr.v.   su·per·heat·ed, su·per·heat·ing, su·per·heats
  1. To heat excessively; overheat.

  2. To heat (steam or other vapor not in contact with its own liquid) beyond its saturation point at a given pressure.

  3. To heat (a liquid) above its boiling point without causing vaporization.

n.   (sōō'pər-hēt')
  1. The amount by which a vapor is superheated.

  2. The heat imparted during the process of superheating.

su'per·heat'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Science Dictionary
superheat   (s'pər-hēt')  Pronunciation Key 
To heat a substance above a phase-transition temperature without the transition occurring. For example, water can be heated above its boiling point without boiling; the introduction of an impurity or physical disturbance can then trigger boiling. Superheating is an example of hysteresis. Compare supercool.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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