(the process whereby a protein molecule assumes its intricate three-dimensional shape; "understanding protein folding is the next step in deciphering the genetic code")
(a geological process that causes a bend in a stratum of rock)
(the act of folding; "he gave the napkins a double fold")
(bend or lay so that one part covers the other; "fold up the newspaper"; "turn up your collar")
(incorporate a food ingredient into a mixture by repeatedly turning it over without stirring or beating; "Fold the egg whites into the batter")
(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."; "close up the shop")
(confine in a fold, like sheep)
(become folded or folded up; "The bed folds in a jiffy")
(capable of being folded up and stored; "a foldaway bed")