cylindroid

[sil-in-droid]

noun

1. a solid having the form of a cylinder, especially one with an elliptical, as opposed to a circular, cross section.

adjective

1. resembling a cylinder.

cylindroid

/ ˈsɪlɪnˌdrɔɪd /

noun

1. a cylinder with an elliptical cross section

adjective

1. resembling a cylinder

Word History and Origins

Origin of cylindroid¹

First recorded in 1655–65, cylindroid is from the Greek word kylindroeidḗs cylinderlike. See cylinder, -oid

Example Sentences

The name “cylindroid” has been given to two different surfaces.

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The locus of the central axis of this system of complexes is a surface of the third degree called the cylindroid, which plays a leading part in the theory of screws as developed synthetically by Ball.

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The sleek, tapered cylindroid might easily have been mistaken for a Naval torpedo, since it was roughly the same size and shape.

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In this case not only the Second Duke of Oneida, but the other males of the herd as well, had the tufts of hairs at the outlet of the sheath encased in hard, cylindroid sheaths of urinary salts, precipitated from the liquid as it ran over them.

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If the fine, cylindroid filaments are seen they may then be examined with a power of 200 or 250 diameters.

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