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helical

[hel-i-kuh l, hee-li-] /ˈhɛl ɪ kəl, ˈhi lɪ-/
adjective
1.
pertaining to or having the form of a helix; spiral.
Origin
1605-1615
1605-15; helic- + -al1
Related forms
helically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for helically

helical

/ˈhɛlɪkəl/
adjective
1.
of or shaped like a helix; spiral
Derived Forms
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
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Word Origin and History for helically

helical

adj.

"spiral-shaped," 1590s, from Latin helicem (see helix) + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper
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helically in Medicine

helical hel·i·cal (hěl'ĭ-kəl, hē'lĭ-)
adj.

  1. Of or having the shape of a helix; spiral.

  2. 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.
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