SPHEROID

spheroid, ellipsoid of revolution

(noun) a shape that is generated by rotating an ellipse around one of its axes; “it looked like a sphere but on closer examination I saw it was really a spheroid”

Source: WordNet® 3.1

---

Etymology

Adjective

spheroid (comparative more spheroid, superlative most spheroid)

Of a shape similar to a squashed sphere.

Noun

spheroid (plural spheroids)

A solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis.

Hyponyms

• oblate spheroid

• prolate spheroid

Anagrams

• doership

Source: Wiktionary

---

Sphe"roid, n. Etym: [L. spheroides ball-like, spherical, Gr. sphéroïde.]

Definition: A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an ellipse about one of its axes. Oblate spheroid, Prolate spheroid. See Oblate, Prolate, and Ellipsoid.

Source: Webster’s Unabridged Dictionary 1913 Edition

---