Definition of "uncurling" [uncurling]

• Present participle of uncurl. (verb)

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• "I felt, so slowly as to be almost imperceptible, his fingers uncurling from the railing."
• "He works this area by curling a dumbbell upward toward his wrist and then uncurling it."
• "It's a worm a millimetre long made up of only 1,000 cells and I am watching it curling, uncurling and grazing on its bacterial food with a string of its cells brightly illuminated in green."