cylindroid

[sil-in-droid]

noun

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

adjective

resembling a cylinder.

Origin of cylindroid

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cylindroid

Historical Examples of cylindroid

The name “cylindroid” has been given to two different surfaces.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8
Various
Again, that wrenches of arbitrary amounts about two given screws compound into a wrench the locus of whose axis is a cylindroid.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 8
Various
If the fine, cylindroid filaments are seen they may then be examined with a power of 200 or 250 diameters.
Special Report on Diseases of Cattle
U.S. Department of Agriculture

British Dictionary definitions for cylindroid

cylindroid

noun

a cylinder with an elliptical cross section

adjective

resembling a cylinder

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

cylindroid in Medicine

cylindroid

[sĭl′ən-droid′]

n.

A cylindrical surface or solid all of whose sections perpendicular to the elements are elliptical.

A mucous thread with pointed or split ends, observed microscopically in the urine, and resembling a urinary cast.

adj.

Resembling a cylinder.