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helicoid
[ hel-i-koid, hee-li- ]
adjective
- coiled or curving like a spiral.
noun
- Geometry. a warped surface generated by a straight line moving so as to cut or touch a fixed helix.
helicoid
/ ˈ³óÉ›±ôɪˌ°ìɔɪ»å /
adjective
- biology shaped like a spiral
a helicoid shell
noun
- geometry any surface resembling that of a screw thread
helicoid
/ ³óÄ•±ô′Ä-°ì´Ç¾±»å′,³óŧ′±ôÄ- /
Adjective
- Arranged in or having the approximate shape of a flattened coil or spiral curve.
Noun
- A surface in the form of a coil or screw. A helicoid is generated mathematically by rotating a plane or twisted curve about an axis at a fixed rate and simultaneously translating it in the direction of the line of axis, also at a fixed rate.
Derived Forms
- ËŒ³ó±ð±ô¾±Ëˆ³¦´Ç¾±»å²¹±ô±ô²â, adverb
Other ˜yÐÄvlog Forms
- ³ó±ð±ôi·³¦´Ç¾±î€ƒd²¹±ô adjective
- ³ó±ð±ôi·³¦´Ç¾±î€ƒd²¹±ô·ly adverb
˜yÐÄvlog History and Origins
Example Sentences
Complex, user-prescribed, three-dimensional cavities can be produced within this molecular canvas, enabling the creation of shapes such as letters, a helicoid and a teddy bear.
“When a small crack forms, it has to travel a very tortuous path — around and around the helicoid — in order to escape the entire club but runs out of energy and stays in the club,†Kisailus said.
Kisailus and his colleagues created a carbon-fiber version of the peacock mantis shrimp’s helicoid, using epoxy as fill-in, and put it to the test against two other composites made from the same basic components.
“When a small crack forms, it has to travel a very tortuous path — around and around the helicoid — in order to escape the entire club, but runs out of energy and stays in the club,†said Kisailus.
A rough way to visualize this, is to see the endoplasmic reticulum as a parking garage, with the helicoid acting as the connection ramps between each floor.
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