Boil"ing, a. Heated to the point of
bubbling; heaving with bubbles; in tumultuous agitation, as boiling liquid;
surging; seething; swelling with heat, ardor, or passion.
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, 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. --
Boiling spring, a spring which gives out very hot
water, or water and steam, often ejecting it with much force; a
geyser. -- To be at the boiling point, to be
very angry. -- To keep the pot boiling, to keep
going on actively, as in certain games. [Colloq.]
Boil"ing, n. 1. The act
of ebullition or of tumultuous agitation.
2. Exposure to the action of a hot
liquid.