helicoid
adjective
coiled or curving like a spiral.
helicoidal
-
a word derived from
helicoid.
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.
The competition gets better: “A beautifully executed helicoidal lunge!”
From New York Times ● Nov. 23, 2020
He made a bow with helicoidal hair, meaning that instead of being parallel with the stick for the entire length, the hair winds around in a partial spiral.
From Scientific American ● Oct. 5, 2012
The rock was singularly striated, the scratches arranged concentrically and in helicoidal curves.
From The Collected Works of Ambrose Bierce, Volume 1 by Ambrose Bierce
His helicoidal saw is, in reality, an endless cable formed by twisting together three steel wires in such a way as to give the spirals quite an elongated pitch.
From Scientific American Supplement, No. 520, December 19, 1885 by Various
In the Wetli system, instead of this rail and the pinion on the vehicle engaging it, there is a drum having a helicoidal thread which engages with triangular rails.
