conoid

American  

[koh-noid] / ˈkoʊ nɔɪd /

adjective

1. Also conoidal resembling a cone in shape; cone-shaped.

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noun

1. a geometrical solid formed by the revolution of a conic section about one of its axes.

conoid British  

/ ˈkəʊnɔɪd /

noun

1. a geometric surface formed by rotating a parabola, ellipse, or hyperbola about one axis

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adjective

1. conical, cone-shaped

Other Word Forms

• conoidally adverb

Etymology

Origin of conoid

From the Greek word kōnoeidḗs, dating back to 1650–60. See cone, -oid

Example Sentences

Archimedes first explains what his conoids and spheroids are, and then, after each 40 description, states the main results which it is the aim of the treatise to prove.

From Project Gutenberg

The undulating appearance of its roofline is a result of its double conoid design — something that from a distance gives the impression of enormous wings.

From New York Times

Fan Vault.—The vaulting in use in England in the fifteenth century, in which a series of conoids bearing some resemblance to an open fan are employed.

From Project Gutenberg

Thanks to the lateral point of the stone anvil, which served the part of the conoid bicorn, he was able to forge rings rude in shape but strong.

From Project Gutenberg

The fracture may take place through the attachment of the conoid and trapezoid ligaments, in which case the only symptoms are pain and tenderness at the seat of fracture, with impaired movement of the limb.

From Project Gutenberg

Related Words

• cone-shaped
• tapered