ellipsoid

noun

el·lip·soid i-ˈlip-ˌsȯid

: a surface all plane sections of which are ellipses or circles

ellipsoidal

i-ˌlip-ˈsȯi-dᵊl

(ˌ)e-

adjective

or less commonly ellipsoid

Examples of ellipsoid in a Sentence

Recent Examples on the Web

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The asteroid, which before the DART encounter looked like a ball that was a bit plump in the waist, now appears to be shaped more like a watermelon - or, technically, a triaxial ellipsoid, scientists said on Tuesday. —

Fox News, 20 Mar. 2024 When the geoid is above the ellipsoid, the difference is subtracted. —

Freddie Wilkinson, National Geographic, 28 Sep. 2020 Again, by elementary optics and geometry, light rays originating at one focus of a hollow reflective ellipsoid are reflected to the other focus by its inside surface. —

Quanta Magazine, 1 Apr. 2020 The earth is slightly thicker in the equator, making it an ellipsoid, technically. —

Caroline Delbert, Popular Mechanics, 17 Dec. 2019 From radar observations, Psyche the asteroid appears ellipsoid in shape, about as wide as Massachusetts. —

Kenneth Chang, New York Times, 6 Jan. 2017