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paraboloid
[ puh-rab-uh-loid ]
noun
- a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.
paraboloid
/ pəˈræbəˌlɔɪd /
noun
- 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 x ²/ a ² ± y ²/ b ² = 2 cz
paraboloid
/ pə-răb′ə-loid′ /
- A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
Derived Forms
- paˌraboˈloidal, adjective
Other Words From
- pa·rab·o·loi·dal [p, uh, -rab-, uh, -, loid, -l, par-, uh, -b, uh, -], adjective
Word History and Origins
Origin of paraboloid1
Example Sentences
He topped the whole thing off with a swooping, saddle-shaped roof — a hyperbolic paraboloid in design-speak — that gave it a distinct presence.
Nearby, 16 stark-white paraboloid beams supported the Metropolitan Cathedral of Brasília like a crown of thorns.
Moscow’s 1929 constructivist planetarium combined a proletarian ethos with revolutionary engineering: a paraboloid dome in reinforced concrete.
It includes the hyperbolic paraboloid, or off-center pyramid, above.
The 32-story building may resemble an off-center pyramid, but the architects prefer to describe it as a hyperbolic paraboloid.
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