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Definitions

helical

[hel-i-kuhl, hee-li-] / ˈhɛl ɪ kəl, ˈhi lɪ- /
ADJECTIVE
spiral
Synonyms
STRONGEST
circling coiled
STRONG
circular circumvoluted corkscrew curled radial rolled scrolled wound
WEAK
cochlear helicoid screw-shaped tendrillar tortile voluted whorled
Antonyms
WEAK
straight uncurling unwinding

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.

To demonstrate the capabilities of the method, the team fabricated helical nanodevices from the magnetic crystal Co3Sn2S2.

From Science Daily • Jan. 25, 2026

The tubes measure about 230 nm in diameter and are made of 5 to 6 right-handed helical fibers that twist together.

From Science Daily • Dec. 3, 2025

They found that the helical fibers formed by the second-generation dendron chlorophylls exhibited a highly ordered structure, while the third-generation dendron chlorophylls displayed a more homogeneous, spherical shape.

From Science Daily • Nov. 21, 2024

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

Instead, she became increasingly annoyed with my recurring references to helical structures.

From "Double Helix" by James D. Watson