Definition of "fractionating" []

• Third-person singular simple present indicative form of fractionate. (verb)

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• "In a last effort, the largest remaining colony of the nebulous multiple entity withdrew completely from the body and abandoned the smaller, fractionating bits to their fates."
• "In a fractionating column, crude oil is boiled and its components condense out on a series of trays, with the heaviest one (with the highest boiling point) sulking at the bottom, and the lightest (and most volatile) rising to the top."
• "The atmosphere works the same way as fractionating columns, the tall knobby columns that make petrochemical plants recognizable from afar."