Answer: distilling

AnswerCrossword Clue
distillingExtract the essence of (something) by heating it with a solvent
distillingDISTILL, to extract by vaporization and condensation, also DISTIL
distillingRemove (a volatile constituent) of a mixture by using heat
distillingEmanate as a vapor or in minute drops
distillingMake (something, esp. liquor or an essence) in this way
distillingPurify (a liquid) by vaporizing it, then condensing it by cooling the vapor, and collecting the resulting liquid
distillingExtract the essential meaning or most important aspects of