Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A cylindrical surface or solid, all of whose sections perpendicular to the elements are elliptical.
- adjective Resembling a cylinder.
from The Century Dictionary.
- noun In anthropology, a cranium the norma vertical is of which is elongated, flattened at the forehead and occiput, and rounded at the sides.
- noun In pathology, a body resembling a tube-cast, consisting usually only of mucus.
- noun A solid body bounded by a cylindrical surface cut orthogonally by elliptical bases.
- noun A conoidal cubic surface whose equation is z(x +
y )—2 axy = 0. - Having the form of a cylinder with equal and parallel elliptical bases.
from the GNU version of the Collaborative International Dictionary of English.
- noun A solid body resembling a right cylinder, but having the bases or ends elliptical.
- noun (Geom.) A certain surface of the third degree, described by a moving straight line; -- used to illustrate the motions of a rigid body and also the forces acting on the body.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geometry A
cylinder withelliptical cross-section . - noun geometry A certain
three-dimensional surface described by a moving straight line, used to illustrate themotions of arigid body and theforces that act upon it.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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It appeared to be of fixed shape, a cylindroid almost ten kilometers in length and two in diameter, majestically rotating on its long axis, mother-of-pearl iridescent.
The Boat of a Million Years Anderson, Poul, 1926- 1989
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In a hold, among cases of supplies for the research team on Gwinsai, he was surprised to recognize a lean cylindroid, one hundred twenty centimeters long.
The Earth Book of Stormgate Anderson, Poul, 1926-2001 1978
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Under-gravitationally speaking, above-the ship's skin, there was a five-meter space running almost the whole length of the cylindroid.
Starways Anderson, Poul 1956
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She was a big cylindroid, two hundred and forty meters long from the blunt nose to the gravitic focusing cones at the stern, forty meters in diameter.
Starways Anderson, Poul 1956
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A smaller calculus, which has been called coralline, is also cylindroid, with a number of brown, rough, crystalline oxalate of lime branches and whitish depressions of carbonate.
Special Report on Diseases of the Horse Charles B. Michener 1877
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The larger calculi, sometimes weighing 12 to 24 ounces, are molded in the pelvis of the kidney into a cylindroid mass, with irregular rounded swellings at intervals.
Special Report on Diseases of the Horse Charles B. Michener 1877
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In mathematical modeling and experiments testing the efficacy of several conditions: drug or dye with no particles; particles coated with fluorescein dye, positive or negative charge; and particles coated with anti-cancer drug doxorubicin, positive or negative charge, the UMass Amherst researchers show that gold nanoparticles move and localize differently in the 3-D cylindroid tumor tissue, depending on whether the nanoparticles are positively or negatively charged.
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But by experimenting with different payloads carried on the gold nanoparticles in the new tumor cylindroid device,
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