ellipsoid

Fetched 2026-10-26 (cache).

Synonyms: ellipsis, ellipsoids

Antonyms: ellipsis, ellipsoids

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|mathematics|geometry}} A [[surface]], all of whose [[cross section]]s are [[elliptic]] or [[circular]] (including the [[sphere]]), that generalises the [[ellipse]] and in [[Cartesian coordinates]] (''x, y, z'') is a [[quadric]] with equation ''x²/a²'' + ''y²/b²'' + ''z²/c²'' = 1. {{C|en|Surfaces}}
2. {{lb|en|geography}} Such a surface used as a [[model]] of the shape of the [[earth]].

Adjective

1. [[shaped|Shaped]] like an [[ellipse]]; [[elliptical]].
2. {{lb|en|mathematics}} Of or pertaining to an ellipse; [[elliptic]].
3. {{lb|en|botany}} Having the [[tridimensional]] shape of an ellipse [[rotate]]d on its long [[axis]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.