Definition of "crumpling" [crumpling]

• Present participle of crumple. (verb)
• The act by which something crumples. (noun)

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• "The transparent sensor tracks up to 10 simultaneous finger touches - we assume that should cover most uses - making possible complex multi-finger gestures such as closing an application by "crumpling" it with several fingers, or playing polyphonic sounds on a virtual piano keyboard."
• "Little Thady Kilfoyle reported that he had met the strange man a bit down the road, "leggin 'it along at a great rate, wid a black rowl of somethin' under his arm that he looked to be crumplin 'up as small as he could" -- the word "crumpling" went acutely to Mrs. Kilfoyle's heart -- and some long-sighted people declared that they could still catch glimpses of a receding figure through the hovering fog on the way towards"
• "Little Thady Kilfoyle reported that he had met the strange man a bit down the road, "leggin 'it along at a great rate, wid a black rowl of somethin' under his arm that he looked to be crumplin 'up as small as he could," -- the word "crumpling" went acutely to Mrs. Kilfoyle's heart, -- and some long-sighted people declared that they could still catch glimpses of a receding figure through the hovering fog on the way toward Sallinbeg."