from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The temperature at which a liquid boils at a fixed pressure, especially under standard atmospheric conditions.
  • n. Informal The point at which one loses one's temper.
  • n. Informal The point of crisis; the turning point.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The temperature at which a liquid boils, with the vapor pressure equal to the given external pressure.
  • n. The state of being heated, with high aggression.

from the GNU version of the Collaborative International Dictionary of English

  • adj. the temperature at which a fluid is converted into vapor, with the phenomena of ebullition. This is different for different liquids, and for the same liquid under different pressures. For water, at the level of the sea, barometer 30 in., it is 212 ° Fahrenheit; for alcohol, 172.96°; for ether, 94.8°; for mercury, about 675°. The boiling point of water is lowered one degree Fahrenheit for about 550 feet of ascent above the level of the sea.

from The Century Dictionary and Cyclopedia

  • n. The temperature at which a liquid is converted into vapor with ebullition; more strictly, the temperature at which the tension of the vapor is equal to the pressure of the atmosphere.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the temperature at which a liquid boils at sea level
  • n. being highly angry or excited; ready to boil over


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