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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.
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Derived Forms
- paˌraboˈloidal, adjective
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Other Words From
- pa·rab·o·loi·dal [p, uh, -rab-, uh, -, loid, -l, par-, uh, -b, uh, -], adjective
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Word History and Origins
Origin of paraboloid1
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Example Sentences
In the first case the surface is called an Hyperboloid of one sheet, in the second an Hyperbolic Paraboloid.
If it lies at the infinity, the plane at infinity is a tangent plane, and the surface is called a paraboloid.
The Silky Epeira also has all the elbow-room she needs; and her paraboloid is not without elegance.
Behind this was a curious, paraboloid projector made up of hundreds of tiny, carefully orientated coils.
Also, the form of cambered surface should be a paraboloid—not arc or arc of circles.
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