Definition of liquefy in English:


(also liquify)

verbliquefies, liquefied, liquefying

  • Make or become liquid.

    with object ‘the minimum pressure required to liquefy a gas’
    no object ‘as the fungus ripens, the cap turns black and liquefies’
    • ‘Neon, because it has such a low boiling point, doesn't liquefy with the other gases but hovers above the liquid air and can be removed.’
    • ‘According to one scenario, coal would react with steam and oxygen before combustion to produce hydrogen and carbon dioxide, with the carbon dioxide liquefied and stored underground in deep aquifers or other geological formations.’
    • ‘Another solution could be to liquefy the gas and pump it through existing oil pipelines.’
    • ‘Under the initial contract, the two companies will each contribute US $500,000 for oil and liquefied natural gas exploration in the targeted area.’
    • ‘An American company came up with the idea of exporting natural gas to Europe by liquefying it at very cold temperatures and shipping it.’
    • ‘The hydrogen is used to fuel the power station, while the harmful carbon dioxide is liquefied and then piped underground for storage.’
    • ‘Propellants are liquefied gasses which have a low boiling point and vapor pressure high enough to expel the concentrate from the container.’
    • ‘A decision on the application to store and handle liquified natural gas at the former refinery was due to be made on Wednesday.’
    • ‘He also liquefied carbon dioxide, hydrogen sulfide, and hydrogen bromide in a similar manner.’
    • ‘There are more than 25 world-scale units exporting principally ammonia, methanol, steel products and, more recently, liquefied natural gas.’
    • ‘The industry is now converting large quantities of this gas to liquefied natural gas for export to energy-deficient countries, primarily in the Far East.’
    • ‘A better approach may involve retrieving the hydrate intact and then liquefying it on ships or drilling platforms.’
    • ‘But the combination of temperature and air pressure has liquefied the methane, and the first images sent back from Huygens seem to show streams, rivers, and lakes of the stuff.’
    • ‘To meet the shortfall one alternative is to import liquefied natural gas from offshore.’
    • ‘Air is first cooled to the point at which all of the gases in it liquefy (close to - 328°F / - 200°C).’
    • ‘An important milestone in the history of carbon monoxide came in 1877 when the French physicist Louis Paul Cailletet found a method for liquefying the gas.’
    • ‘India's first liquefied natural gas terminal at Dahej will be ready for business in about 100 days.’
    • ‘The critical pressure is the amount of pressure required to liquefy water at the critical temperature.’
    • ‘Virtually all ships from the Middle East carrying oil, liquefied petroleum gas or liquefied natural gas destined for Asia pass through the straits, according to Jane's Intelligence Review.’
    • ‘This point has never actually been achieved, since gases liquefy before they reach this temperature and they are no longer subject to the gas laws.’
    become liquid, make liquid, condense, dissolve, precipitate
    View synonyms


Late Middle English: from French liquéfier from Latin liquefacere ‘make liquid’, from liquere ‘be liquid’.