[hel-i-kuh l, hee-li-]
- pertaining to or having the form of a helix; spiral.
Origin of helical
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for helical
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.
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
To give the water a rotary motion he had inserted a helical piece of angle iron, and so prevented deposition.
- of or shaped like a helix; spiral
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for helical
Online Etymology Dictionary, © 2010 Douglas Harper
- Of or having the shape of a helix; spiral.
- Having a shape approximating that of a helix.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.