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helicoid

/ˈhɛlɪkɔɪd/
noun
  1. A three-dimensional shape that looks like a spiral or a twisted surface, like a screw thread.
    • The sculpture was a beautiful helicoid made of polished metal.
    • The helicoid shape of the drill bit helps it cut into wood.
    • In math class, we studied the helicoid as an example of a minimal surface.
adjective
  1. Having a spiral or twisted form.
    • The helicoid staircase was the centerpiece of the old library.
    • The helicoid arrangement of the leaves helped the plant get more sunlight.
    • Some seashells have a helicoid pattern that spirals outward.
Synonyms
coiledspiralhelical
Antonyms
straight
What does "helicoid" mean? | whatsthatwordmean | whatsthatwordmean