Definition of "liquefying" [liquefying]

• Present participle of liquefy. Alternative spelling of liquifying. (verb)

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• "Kamerlingh-Onnes succeeded in liquefying helium, starting a development that revealed many new and unexpected phenomena."
• "I should have to cover too much ground if I were to report here on the experimental equipment with which Kamerlingh Onnes was at last successful in liquefying helium, and on the enormous experimental difficulties which had to be overcome."
• "In his celebrated electric furnace he succeeded in liquefying substances such as lime and magnesium oxide; in this way he produced calcium carbide and a whole series of other carbides, in pure and crystallized form, from which it was found that carbides were the most heat resistant of all chemical compounds."