helical

[ hel-i-kuh l, hee-li- ]
/ ˈhɛl ɪ kəl, ˈhi lɪ- /

adjective

pertaining to or having the form of a helix; spiral.

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Origin of helical

First recorded in 1605–15; helic- + -al1

OTHER WORDS FROM helical

hel·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for helical

British Dictionary definitions for helical

helical
/ (ˈhɛlɪkəl) /

adjective

of or shaped like a helix; spiral

Derived forms of helical

helically, adverb
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

Medical definitions for helical

helical
[ hĕlĭ-kəl, hēlĭ- ]

adj.

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.