Below are possible answers for the crossword clue Corrugation.
7 letter answer(s) to corrugation
CRINKLE
a slight depression in the smoothness of a surface; "his face has many lines"; "ironing gets rid of most wrinkles"
become wrinkled or crumpled or creased; "This fabric won't wrinkle"
make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; "The dress got wrinkled"; "crease the paper like this to make a crane"
5 letter answer(s) to corrugation
RIDGE
a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters
a long narrow natural elevation on the floor of the ocean
a long narrow natural elevation or striation
a long narrow range of hills
any long raised border or margin of a bone or tooth or membrane
any long raised strip
extend in ridges; "The land ridges towards the South"
form into a ridge
plough alternate strips by throwing the furrow onto an unploughed strip
spade into alternate ridges and troughs; "ridge the soil"
throw soil toward (a crop row) from both sides; "He ridged his corn"
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