# PYRAMIDOID

, is sometimes used for the parabolic
spindle, or the solid formed by the rotation of a
semiparabola about its base or greatest ordinate. See
Parabolic *Spindle.*

, is sometimes used for the parabolic
spindle, or the solid formed by the rotation of a
semiparabola about its base or greatest ordinate. See
Parabolic *Spindle.*

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Entry taken from A Mathematical and Philosophical Dictionary, by Charles Hutton, 1796.

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