Related formshel·i·cal·ly, adverb
Examples from the Web for helical
It consisted of a metallic cylinder having a helical indenting groove cut upon it from end to end.Edison, His Life and Inventions|Frank Lewis Dyer and Thomas Commerford Martin
The Ford transverse rear spring was supplemented by two helical springs placed vertically between the Ford and tractor frames.Deeds of a Great Railway|G. R. S. Darroch
He invented the helical form of the balance spring and a form of chronometer escapement much like Earnshaw's.Time Telling through the Ages|Harry Chase Brearley
The centrifugal strain due to this is balanced by helical springs.Steam Turbines|Hubert E. Collins
The translation of a body in helical motion is called its advance.