pa·rab·o·loid

(pə-răb′ə-loid′)

A surface having parabolic sections parallel to a single coordinate axis and elliptic or circular sections perpendicular to that axis.

pa·rab′o·loi′dal (-loid′l) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.

paraboloidal - having the shape of a paraboloid

rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"

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References in periodicals archive

Together, the seven mirrors constitute a giant 24.5-m paraboloidal primary.

MONSTER SCOPES: Astronomers and engineers are boldly building a generation of Telescopes like none that has gone before

Sandler, "Paraboloidal reflector patterns for off-axis feed," IRE Transactions on Antennas and Propagation, vol.

Ka-Band Lightweight High-Efficiency Wideband 3D Printed Reflector Antenna

Tikekar, "Paraboloidal space-times and relativistic models of strange stars," International Journal of Modern Physics D, vol.

Anisotropic Quintessence Strange Stars in f(T) Gravity with Modified Chaplygin Gas

Jeter, "The distribution of concentrated solar radiation in paraboloidal collectors," Journal of Solar Energy Engineering, vol.

Effect of Tracking Error of Double-Axis Tracking Device on the Optical Performance of Solar Dish Concentrator

Boyd, "Ostrovsky and Hunter's generic wave equation for weakly dispersive waves: matched asymptotic and pseudospectral study of the paraboloidal travelling waves (corner and near-corner waves)," European Journal of Applied Mathematics, vol.

Asymptotics for the Ostrovsky-Hunter Equation in the Critical Case

It also outputs the coefficients of a paraboloidal fit for the likelihood surface, which a provided Mathematica notebook uses to graph an elliptical confidence region around the [[mu].sub.a] and [[mu].sub.s] maximum likelihood estimates.

MCMLpar and MCSLinv: A Parallel Version of MCML and an Inverse Monte Carlo Algorithm to Calculate Optical Scattering Parameters

Qatu and Asadi [8] used the Ritz method to present vibration frequencies for spherical, cylindrical, and hyperbolic paraboloidal shells with 21 possible boundary conditions by using thin shallow shell theory.

Free and Forced Vibration Analysis of Airtight Cylindrical Vessels with Doubly Curved Shells of Revolution by Using Jacobi-Ritz Method

The following is an account of some of the more common types of shells used in foundations (Kurian, 2006): hyperbolic paraboloidal shells, conical shells, inverted dome, elliptic paraboloid, cylindrical shells, pyramidal sell, spherical shells, and triangular shell footing for load bearing wall.

Experimental and theoretical studies on bearing capacity of conical shell foundations composed of reactive powder concrete

The power intercepted by the aperture as a function of its diameter can be calculated using the mean concentration ratio of the paraboloidal concentrator and the normal beam insolation.

Making fuel while the sun shines