/ Dictionary / Index B boiling point: Meaning and Definition of Find definitions for: boil'ing point" Pronunciation: [key] the temperature at which the vapor pressure of a liquid is equal to the pressure of the atmosphere on the liquid, equal to 212°F (100°C) for water at sea level. Abbr.: b.p. the point beyond which one becomes angry, outraged, or agitated. the point at which matters reach a crisis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boiling boil-off Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language