protein folding, folding - the process whereby a protein molecule assumes its intricate three-dimensional shape; "understanding protein folding is the next step in deciphering the genetic code" --1is a kind oforganic process, biological process
close, fold, shut down, close down - cease to operate or cause to cease operating; "The owners decided to move and to close the factory"; "My business closes every night at 8 P.M." Sample sentence: The business is going to fold