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Synonyms

helical

American  
[hel-i-kuhl, hee-li-] / ˈhɛl ɪ kəl, ˈhi lɪ- /

adjective

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


helical British  
/ ˈhɛlɪkəl /

adjective

  1. 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

Other Word Forms

Etymology

Origin of helical

First recorded in 1605–15; helic- + -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It sits not on a foundation but on helical piers screwed into the ground.

From Los Angeles Times • Jul. 7, 2026

Using this approach, the team carved tiny helical structures from a topological magnetic crystal made of cobalt, tin, and sulfur, with the chemical formula Co3Sn2S2.

From Science Daily • Jan. 25, 2026

With Sutherland's new and innovative methods of studying sea creatures, scientists might come to realize that helical swimming is more pervasive than previously thought.

From Science Daily • May 15, 2024

Over the next three to six months, the structure developed into cartilage containing tissue that closely replicated the ear's anatomical features, including the helical rim, the "anti-helix" rim-inside-the-rim and the central, conchal bowl.

From Science Daily • Apr. 1, 2024

Coolly she pointed out that not a shred of evidence permitted Linus, or anyone else, to postulate a helical structure for DNA.

From "Double Helix" by James D. Watson

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