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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.

At large scales, radio data reveal that the jet forms a helical pattern as it propagates through the galaxy.

From Science Daily • Jan. 19, 2026

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

The inspiration for this research stems from observing natural phenomena where helical structures are prevalent, from the DNA in our cells to the spontaneous twisting of seed pods.

From Science Daily • Mar. 4, 2024

Maurice had no suspicion that almost immediately I would get the X-ray pattern needed to prove that TMV was helical.

From "Double Helix" by James D. Watson