Definition of boiling point in English:

boiling point


  • 1The temperature at which a liquid boils and turns to vapour.

    ‘pour in the water (not at boiling point but just below)’
    [in singular] ‘a liquid with a high boiling point’
    • ‘Propellants are liquified gasses which have a low boiling point and vapor pressure high enough to expel the concentrate from the container.’
    • ‘The boiling point of an alcohol is always higher than the hydrocarbon from which it is derived.’
    • ‘Strictly speaking a gas is a substance at a temperature above its boiling point.’
    • ‘Accordingly, the boiling points of alkali metals also decrease down the group.’
    • ‘Because the liquid nitrogen is already at its boiling point, it immediately, and very vigorously, boils.’
    • ‘That restricts its operating temperature to below the boiling point of water.’
    • ‘Different liquids have different boiling points due to their chemical make up.’
    • ‘Of course, there is some overlap of the boiling points and molecular size for these fractions.’
    • ‘The strong forces that hold ions together cause ionic compounds to have higher melting and boiling points than covalent compounds.’
    • ‘As a result, the boiling points of aldehydes are considerably lower than the boiling points of corresponding alcohols.’
    • ‘It is the same as the boiling point of the liquid.’
    • ‘Evaporation is the change from liquid to vapor phase at a temperature below the boiling point of the liquid.’
    • ‘Due to their relatively high boiling points, essential oils are usually obtained by steam distillation or co-distillation with water.’
    • ‘The boiling point of a liquid depends on both temperature and pressure.’
    • ‘If the melting point is below this temperature and the boiling point is above it then the chemical is a liquid at standard temperature and pressure.’
    • ‘The flask is then heated to a temperature above the boiling point of the liquid.’
    • ‘As molecular mass increases, for example, the boiling point of a liquid will also increase.’
    • ‘Cato Maximilian Guldberg had already predicted, on theoretical grounds, that the freezing points, boiling points, and vapour pressures of solutions should all change at the same rate with increasing concentration.’
    • ‘Weak hydrogen bonding elevates their boiling points.’
    • ‘Radon condenses to a clear, colorless liquid at its boiling point and then freezes to form a yellow, then orangish red solid.’
    1. 1.1The point at which anger or excitement breaks out into violent expression.
      ‘emotions had reached boiling point and could spill over into violence’
      ‘racial tension surged to boiling point’
      • ‘Way back, before I was born, there was a situation that brewed to a boiling point in California and created a very bizarre segment of American history.’
      • ‘The sick result of the government's policy is to increase the pressures in such families to boiling point, leading in some cases to violence.’
      • ‘My frustration with the entire situation has finally reached a boiling point.’
      • ‘The good doctor's role seems to be to push Dave to the boiling point, allowing him to vent all the pent-up anger within his repressed soul.’
      • ‘This move will just add to the pressure, and our collective psyche will reach boiling point.’
      • ‘An ownership battle followed, reaching a boiling point earlier this year when he issued eviction notices to the residents without any prior warning.’
      • ‘In Chile the crisis reached a boiling point in August.’
      • ‘Public anger reached boiling point when, in March 2001, it announced plans to close up to 10 schools.’
      • ‘The simmering social tensions reached boiling point when two young men were shot and killed after hundreds of workers were involved in a blockade of the city's major roads.’
      • ‘The issue should have been decisively dealt with some time ago, rather than having been allowed to simmer until it reached boiling point, as appears to be the case right now.’
      • ‘Just watching him made my anger rise to near boiling point.’
      • ‘The Police this week called off a community meeting before it began, as it appeared that emotions had reached boiling point and could spill over into violence.’
      • ‘Deliberately leading a herd to a neighbor's land was outrageous, and talking about it brought his anger to the boiling point.’
      • ‘His anger was reaching the boiling point, his new-found control quickly vanishing.’
      • ‘Alicia stared at him, her anger reaching boiling point.’
      • ‘Sidney Lumet's film is a thriller in the classic sense and slowly builds tension to boiling point.’
      • ‘The group will be entering a country where political tensions threaten to reach boiling point, with looming elections and bitter infighting.’
      • ‘Travis read the tidbits of information as anger filled him to the boiling point.’
      • ‘I was about to see Acorn Antiques the musical and had gone with my friend Mouse who is the only person I know whose excitement levels can reach boiling point.’
      • ‘Tensions reached a boiling point when Linda stormed out of an ethnographer's meeting.’


boiling point