DISTIL is a process of purifying a liquid by heating it until it vaporizes, then condensing and collecting the resulting vapor. EVAPORATE (9 letters) is the process of turning a liquid into a gas or vapor. CONCENTRATE (11 letters) is the process of increasing the strength of a solution by removing water. CONDENSE (8 letters) is the process of changing from a gas to a liquid. DRIP (4 letters) is the process of forming and falling in drops. VOLATILIZE (10 letters) is the process of changing from a liquid to a gas. CLARIFY (7 letters) is the process of making something clear or easy to understand. DROP (4 letters) is the process of falling or letting something fall. All of these processes are related to DISTIL, which is the process of purifying a liquid by heating it until it vaporizes, then condensing and collecting the resulting vapor.