2. To be agitated like boiling water, by any other cause than
heat; to bubble; to effervesce; as, the boiling waves.
He maketh the deep to boil like a pot. --Job xii.
31.
3. To pass from a liquid to an a["e]riform state or vapor
when heated; as, the water boils away.
4. To be moved or excited with passion; to be hot or fervid;
as, his blood boils with anger.
Then boiled my breast with flame and burning wrath.
--Surrey.
5. To be in boiling water, as in cooking; as, the potatoes
are boiling.
{To boil away}, to vaporize; to evaporate or be evaporated by
the action of heat.
{To boil over}, to run over the top of a vessel, as liquid
when thrown into violent agitation by heat or other cause
of effervescence; to be excited with ardor or passion so
as to lose self-control.
2. Exposure to the action of a hot liquid.
{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 [deg] Fahrenheit;
for alcohol, 172.96[deg]; for ether, 94.8[deg]; for
mercury, about 675[deg]. 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.]