All Words > Helicoid

Tuesday, September 8

Helicoid

[HEL-ə-koyd]

Part of speech: noun

Origin: Greek, late 17th century

1.

An object of spiral or helical shape.

2.

A surface formed by simultaneously moving a straight line along an axis and rotating it around it (like a screw thread).

Examples of Helicoid in a sentence

"The helicoid staircase was the focal point of the ballroom."

"I always got the helicoid measurements wrong on my geometry homework."

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About Helicoid

The thread on a screw is a perfect example of a helicoid. It's a shape formed by moving a straight line along an axis as it turns. You can find manmade helicoid structures like a spiral staircase, or you can find many examples of helicoids in the natural world.

Did you Know?

Visit the Guggenheim Museum in Manhattan and you will find yourself inside a helicoid. The works of art are on display in galleries that shoot off a massive spiral-shaped ramp. You can view the helicoid from either the inside or outside of the Guggenheim.

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