from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Arranged in or having the approximate shape of a flattened coil or spiral.
- n. Mathematics A surface in the form of a coil or screw.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having the form of a flattened helix
- n. A minimal surface in the form of a flattened helix.
from the GNU version of the Collaborative International Dictionary of English
- adj. Spiral; curved, like the spire of a univalve shell.
- adj. Shaped like a snail shell; pertaining to the Helicidæ, 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.
from The Century Dictionary and Cyclopedia
- Pertaining to or having the form of a helix; screw-shaped; coiled like a helix. See cut under Foraminifera. Also helicoidal.
- In conchology, pertaining to or resembling the Helicidæ
- n. In geometry, any one of several different surfaces. See the phrases below
- n. A helicoid parabola.
Will someone please tell me if a helicoid (a mixer ribbon flight) can be flattened (less than 360 deg segment)?
Will someone please tell me if a helicoid (a mixer ribbon flight) can be
This paper introduces features of the titled exchange lenses on the following items: for 35 mm single-lens reflex cameras 1) Al exterior provides high grade feeling to both and little allowance at aperture and helicoid parts provides precise structure sense, 2) FA 77 mm/F1. 8
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