Boil

boil, v.i. to bubble up from the action of heat: to be hot: to be excited or agitated.— v.t. to heat to a boiling state: to cook or dre by boiling.— ns. Boil′er , one who boils: that in which anything is boiled: a ve el in which steam, usually for a steam-engine, is generated: a ve el for heating water for baths, .; Boil′ing , the bubbling up of any liquid by the application of heat: the act of dre ing food by boiling water.— adj. bubbling: swelling with heat or pa ion.— n. Boil′ing-point , the temperature at which liquids begin to boil under heat.— To boil down , to reduce in bulk by boiling, to extract the substance of, to epitomise; To boil over , to bubble over the sides of the containing ve el, to break out into unrestrained indignation. [O. Fr. boillir —L. bullīre — bulla , a bubble.]