from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To heat excessively; overheat.
- transitive v. To heat (steam or other vapor not in contact with its own liquid) beyond its saturation point at a given pressure.
- transitive v. To heat (a liquid) above its boiling point without causing vaporization.
- n. The amount by which a vapor is superheated.
- n. The heat imparted during the process of superheating.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To heat a liquid above its boiling point
- v. To heat a vapour above its saturation point
from the GNU version of the Collaborative International Dictionary of English
- n. The increase of temperature communicated to steam by superheating it.
- transitive v. To heat too much, to overheat.
- transitive v. To heat, as steam, apart from contact with water, until it resembles a perfect gas.
- transitive v. To heat (a liquid) above its boiling point without converting it into vapor.
from The Century Dictionary and Cyclopedia
- To heat to an extreme degree or to a very high temperature; specifically, to heat, as steam, apart from contact with water, until it resembles a perfect gas.
- n. Excess of temperature of a vapor above the temperature at which it is saturated.
Sorry, no etymologies found.
The steam will still be superheated but maybe 580 PSIG at 575F superheat which is about 1288-13. 2.
Over 1,000 mirrors, each "about half the size of a tennis court", will be used to reflect sunlight to "superheat" water at a central tower.
The result: Water can "superheat," without boiling.
It of course set up, so I would put a warning about water discounting, but it didn't superheat or anything - its luscious stuff.
The principal was simple – superheat a packet of gas to a plasma state and fire it at ultra-sonic speeds at a target whose armor would be of little use against a substance that broke the bonds of matter at a subatomic level.
The microwaves superheat the air right next to a target, and the vacuum created by the sudden compression of the gas does the job of pushing the packet straight through the target for you.
The E.V. Gray Engine and the Geet Processor both use a spark to superheat into combustibles.
It uses parabolic troughs that focus heat onto tubes containing synthetic oil, which is then used to superheat steam for turbines.
After the second charge is completely melted, refining operations take place to check and correct the steel chemistry and superheat the melt above its freezing temperature in preparation for tapping.
You can actually superheat water in a microwave oven, as you might have heard.