Boiling

p. a. Bubbling; heaving in bubbles; agitated, as boiling liquor; swelling with heat, ardor, or passion.

The trembling fins the boiling waves divide. Gay.

Boiling point, 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, 175.6°; for sulphuric ether, 100°; for mercury, 662°. The boiling point of water is lowered one degree Fahrenheit for every 550 feet of ascent above the level of the sea. Nichol.

n. The act or state of bubbling; agitation by heat; ebullition; the act of subjecting to the action of heat, so as to boil, as a liquid, or of preparing by hot water, or of evaporation.