paraboloid

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/pəˈræbəˌlɔɪd/US:USA pronunciation: respellingUSA pronunciation: respelling(pə rab′ə loid′)


WordReference Random House Unabridged Dictionary of American English © 2026
pa•rab•o•loid  (pə rab′ə loid′),USA pronunciation n. [Geom.]
  1. Mathematicsa surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.
Cf. elliptic paraboloid, hyperbolic paraboloid. 
  • 1650–60; parabol(a) + -oid
pa•rab•o•loi•dal  (pə rab′ə loid′l, par′ə bə-),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
paraboloid /pəˈræbəˌlɔɪd/ n
  1. a geometric surface whose sections parallel to two coordinate planes are parabolic and whose sections parallel to the third plane are either elliptical or hyperbolic. Equations x2/a2 ± y2/b2 = 2cz
paˌraboˈloidal adj
'paraboloid' also found in these entries (note: many are not synonyms or translations):
concave - convex - parabolic - conicoid - elliptic paraboloid - hyperbolic paraboloid - parabolize - quadric

Forum discussions with the word(s) "paraboloid" in the title:


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