'''Normal boiling point''' is the [[boiling]] point of a substance at [[atmosphere|atmospheric]] (or "normal") [[pressure]]. In situations where there is no pressure change, ''normal boiling point'' is often shortened to simply ''[[boiling point]]''. | '''Normal boiling point''' is the [[boiling]] point of a substance at [[atmosphere|atmospheric]] (or "normal") [[pressure]]. In situations where there is no pressure change, ''normal boiling point'' is often shortened to simply ''[[boiling point]]''. |