Boiling Point (bp) 03 : The temperature (which varies with the pressure and nature of the liquid) at which a liquid is rapidly converted to a vapor; normally it is reported at a pressure of one atmosphere
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}