1) Geometric shape
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https://www.crosswordclues.com/clue/helicoid
coiled; of a cymose inflorescence, when the branching is repeatedly on the same side (the apex is often recurved); cf. scorpioid.
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http://en.wikipedia.org/wiki/Glossary_of_botanical_terms
The helicoid, after the plane and the catenoid, is the third minimal surface to be known. ==Helicoid and catenoid== The helicoid and the catenoid are locally isometric surfaces, see discussion there. ...
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http://en.wikipedia.org/wiki/Helicoid
spirally clustered, snail or spring-shaped
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http://orchidfetish.com/glossary.html
screw-shaped; like a coil
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http://phrontistery.info/h.html
• (a.) Shaped like a snail shell; pertaining to the Helicidae, or Snail family. • (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. • (...
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http://thinkexist.com/dictionary/meaning/helicoid/
coiled spirally like a spring or a snail shell
Found on
http://www.calflora.net/botanicalnames/botanicalterms.html
The second oldest known minimal surface; it was discovered by Jean-Baptiste Meusnier in 1776, thirty years after the catenoid. It is the only minimal surface, apart from the simple plane, that is also a ruled surface. The helicoid is the surface swept out by a line that always intersects a fixed axi...
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http://www.daviddarling.info/encyclopedia/H/helicoid.html
Coiled, of a cymose inflorescence, branching repeatedly on the same side. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973
(hel´ĭ-koid) spiral (def. 2).
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http://www.encyclo.co.uk/local/21001
coiled spirally like a spring or a snail shell
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http://www.encyclo.co.uk/local/21767
Hel'i·coid noun (Geom.) 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.
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http://www.encyclo.co.uk/webster/H/28
Hel'i·coid adjective [ Greek ...; 'e`lix , -ikos , spiral + ... shape: confer French hélicoïde . See Helix .] 1. Spiral; curved, like the spire of a univalve shell. 2. (Zoology) Shaped like a snail shell; pertaining to the Helicidæ
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http://www.encyclo.co.uk/webster/H/28
Twisted or coiled in snail-shell form.
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http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms
Type: Term Pronunciation: hel′i-koyd Definitions: 1. Resembling a helix. Synonyms: helical2
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http://www.medilexicon.com/medicaldictionary.php?t=39639
spirally clustered, snail or spring-shaped
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http://www.orchidspecies.com/glossary.htm
helicoid 1. Arranged in or having the approximate shape of a flattened coil or spiral. 2. In mathematics, a surface in the form of a coil or screw. 3. A spiral geometric surface that resembles a thread on a screw. A warped surface which may be generated by a straight line moving in such a manner that every point of the line will have a uniform m...
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http://www.wordinfo.info/words/index/info/view_unit/962/
No exact match found.
