Definition of "liquefier" [liq•ue•fi•er]

• A device used to liquify gases (by cooling and compression) (noun)

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• "This hormone functions as a liquefier of fats and serves to soothe pain."
• "The air-liquefier furnished a supply of liquid air; the gas escaping from the liquefier consisted largely of nitrogen; this mixture was liquefied under pressure in a bulb cooled by the liquid air boiling under reduced pressure."
• "The motor has since been replaced by a more powerful one; but the compressor and liquefier have given no trouble, and still work as satisfactorily as when first purchased."