Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Arranged in or having the approximate shape of a flattened coil or spiral.
- n. Mathematics A surface in the form of coil or screw.
Century Dictionary and Cyclopedia
- Pertaining to or having the form of 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.
Wiktionary
- adj. Having the form of flattened helix
- n. mathematics A minimal surface in the form of flattened helix.
GNU Webster's 1913
- adj. Spiral; curved, like the spire of a univalve shell.
- adj. (Zoöl.) Shaped like a snail shell; pertaining to the
Helicidæ , or Snail family. - n. (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.
Etymologies
- Greek helikoeidēs : helix, helik-, spiral; see helix + -oeidēs, -oid. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“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”
Lists
These user-created lists contain the word ‘helicoid’.
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phrontistery - h
from phrontistery.info
habanera, habile, habiliment, hackle, hackney, hadal, hame, hank, hansom, hapax, hark, harl and 568 more...
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spires
arcospire, inspire, squinch, perspire, spirea, aspire, suspire, transpire, leptospire, crocket, whorl, helicoid and 10 more...
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learning
A list of words whose meanings I am learning, either because a) I don't know the meaning b) I know the meaning, but could stand to better appreciate certain inflections or secondary meanings or c) ...
louche, educe, loam, cob, sclerotic, palliate, axial, syndicalist, ecumenical, sally, fatuous, parvenu and 1381 more...
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uncleosbert's Words
omphalaskepsis, gravid, steatopygian, marmalade, triffid, scurrilous, kith, lilliputian, slunk, snailular, milquetoast, elephantine and 191 more...
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word set7
brownie wings, apostasy, agents provocateurs, de rigueur, epiphenomenonal, gregorian calendar, morganatic, geomagnetic storm, syncopated, oppositionist, civil twilight, topologically and 75 more...
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Words for a Twisted Mind
tortuous, meandrous, anfractuous, labyrinthine, sinuous, convoluted, helicoid, flexuous, cochlear, circuitous, serpentine, mazy and 2 more...
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out forms
Sir Francis Bacon: "There is no excellent beauty that hath not some strangeness in the proportion."
chinoiserie, rhyparography, Ludibrium, Tarasque, Trabant, joropo, blocage, crannog, whitsour, zampogna, scamillus, Kacapi and 77 more...
Tweets
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