spheroid

[ sfeer-oid ]

noun

1. a solid geometrical figure similar in shape to a sphere, as an ellipsoid.

adjective

1. spheroidal.

spheroid

/ ˈsfɪərɔɪd /

noun

1. See ellipsoid of revolution
   maths another name for ellipsoid of revolution

adjective

1. shaped like but not exactly a sphere

spheroid

/ sfîr′oid′ /

1. A three-dimensional geometric surface generated by rotating an ellipse on or about one of its axes.

Word History and Origins

Origin of spheroid¹

1655–65; < Latin sphaeroīdēs < Greek sphairoeidḗs. See sphere, -oid

Example Sentences

Left to their own devices, spheroid xenobots could generally create only one more generation before dying out, the researchers found.

From Science News

The live feed appears on a spheroid TV that looks like an astronaut’s helmet and directly faces the Buddha.

From Washington Post

The tissue folded itself into a spheroid with its fibers forming a pattern like lines of longitude on Earth.

From Nautilus

In a paper in Science Robotics, the researchers describe how they took stem cells from frog embryos and allowed them to grow into clumps of several thousand cells called spheroids.

From Singularity Hub 

Next you might find the volume for a half-cone or a spheroid.

From Science News For Students

Although we have for convenience termed the earth a flattened spheroid, it is only such in a very general sense.

From Project Gutenberg

Its shape is not absolutely spherical, but spheroid—that is, flattened at the poles.

From Project Gutenberg

"He loves to call a football an 'illusive spheroid,'" chuckled another chap.

From Project Gutenberg

Pithos, pith′os, n. a large spheroid Greek earthenware vase.

From Project Gutenberg

The spores of this species are spheroid-tetrahedral, the three radiating angles marked with slender vittæ, or bands.

From Project Gutenberg

Related Words

• bulbous
• curled
• curved
• cylindrical
• elliptical
• oval
• rounded
• spherical