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
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.
It was then attempted to make the descent by the aid of the helicoidal drum; but this jumped the rails, and broke them almost immediately.
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
