paraboloid

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A form of elliptic paraboloid — A surface having parabolic cross sections parallel to an axis and elliptical cross sections perpendicular to the axis; especially the surface of revolution of a parabola.

OriginAncient Greek εἶδος (eîdos) ← Proto-Hellenic *wéidos ← Proto-Indo-European *wéydos →
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Meanings

nounparaboloid (plural paraboloids)

plural paraboloids

  1. abbreviationmathematicsShort for elliptic paraboloid
  2. abbreviationmathematicsShort for hyperbolic paraboloid

Synonyms & antonyms

Origin

  1. Proto-Indo-European*per-
  2. Proto-Indo-European*preh₂-
  3. Proto-Hellenic*pərai
  4. Ancient Greekπᾰρᾰ́ (părắ)
  5. Ancient Greekπαρα- (para-)
  6. Proto-Indo-European*gʷelH-
  7. Proto-Hellenic*gʷəlnō
  8. Ancient Greekβάλλω (bállō)
  9. Ancient Greekπαραβάλλω (parabállō)
  10. Ancient Greekπαραβολή (parabolḗ)
  11. New Latinparabola
  12. Englishparabola
  13. Proto-Indo-European*weyd-
  14. Proto-Indo-European*wéydos
  15. Proto-Hellenic*wéidos
  16. Ancient Greekεἶδος (eîdos)
  17. Englishparaboloid

From parabola + -oid.

Full word history & related roots →

Translations

Catalan paraboloide
  • paraboloidesurface having parabolic cross sections and elliptic or hyperbolic cross sections
French paraboloïde
  • paraboloïdesurface having parabolic cross sections and elliptic or hyperbolic cross sections
Hindi परवलयज
  • परवलयज (parvalyaj)surface having parabolic cross sections and elliptic or hyperbolic cross sections
Italian paraboloide
  • paraboloidesurface having parabolic cross sections and elliptic or hyperbolic cross sections
Polish paraboloida
  • paraboloidasurface having parabolic cross sections and elliptic or hyperbolic cross sections
Portuguese paraboloide
  • paraboloidesurface having parabolic cross sections and elliptic or hyperbolic cross sections
Russian параболо́ид
  • параболо́ид (parabolóid)surface having parabolic cross sections and elliptic or hyperbolic cross sections
Spanish paraboloide
  • paraboloidesurface having parabolic cross sections and elliptic or hyperbolic cross sections
Swedish paraboloid
  • paraboloidsurface having parabolic cross sections and elliptic or hyperbolic cross sections
Cite this entry
APA

paraboloid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/paraboloid

MLA

“paraboloid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/paraboloid. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “paraboloid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/paraboloid.

Source: paraboloid on Wiktionary, CC BY-SA 4.0.