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Definition of Helicoid
1. a. Spiral; curved, like the spire of a univalve shell.
2. n. A warped surface which may be generated by a straight line moving in such a manner that every point of the line shall have a uniform motion in the direction of another fixed straight line, and at the same time a uniform angular motion about it.
Definition of Helicoid
1. Adjective. Having the form of a flattened helix ¹
2. Noun. (mathematics) A minimal surface in the form of a flattened helix. ¹
¹ Source: wiktionary.com
Definition of Helicoid
1. a type of geometrical surface [n -S]
Medical Definition of Helicoid
1. Coiled, of a cymose inflorescence, branching repeatedly on the same side. (09 Oct 1997)
Lexicographical Neighbors of Helicoid
Literary usage of Helicoid
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Treatise on Shades and Shadows, and Linear Perspective by Charles Davies (1839)
"We shall, for the sake of distinction, call the first the upper helicoid, ...
The helicoid is a warped surface, since the consecu tive positions of the ..."
2. Descriptive Geometry by Gardner Chace Anthony, George Francis Ashley (1909)
"... save that one in contact with the axis, will generate helices of a constant
pitch, and the surface generated will be an oblique helicoid. ..."
3. A Treatise on Shades and Shadows, and Linear Perspective by Charles Davies (1865)
"We shall, for the sake of distinction, call the first the upper helicoid, ...
The helicoid is a warped surface, since the consecu live positions of the ..."
4. The Elements of Descriptive Geometry: Shadows and Perspective. With a Brief by Samuel Edward Warren (1877)
"To construct a tangent plane along a given element of a developable helicoid.
In Space.—The required plane will be determined by any two tangent lines in it ..."
5. Structural Botany: Or Organography on the Basis of Morphology. To which is by Asa Gray (1879)
"As the coil is a helix, it has also been named helicoid.1 The flowers are then
thrown, more or less strictly, to the outer side of the coiled rhachis, ..."
6. Descriptive Geometry by Gardner Chace Anthony, George Francis Ashley (1909)
"The V-threaded screw is the most familiar application of the oblique helicoid (Fig.
147, page 69). 153. If the generatrix be perpendicular to the axis, ..."
7. The Elements of Descriptive Geometry, Shadows and Perspective: Shadows and by Samuel Edward Warren (1877)
"Construct the tangent plane on a given element of the developable helicoid situated
as in the examples to the last problem. PROBLEM LXX. ..."
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