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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.

As water flows past the DNA, it applies a spinning force to the helical molecule.

From Science Daily • Feb. 9, 2026

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

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

The asymmetric, helical ridges may even inspire low-drag hulls or fuselages that stay streamlined while promoting interior air flows.

From Science Daily • May 17, 2024

Francis saw no reason to understate the power of the helical theory and within several minutes revealed the way Bessel functions gave neat answers.

From "Double Helix" by James D. Watson