spheroid Definition

spheroid
adj

1. Characterized by having, or being in, almost the shape of a sphere.

noun

1. A figure or body of this shape.
2a. math.
A solid figure in the shape of an elongated sphere that is obtained by rotating an ellipse about its longer axis;
Form: prolate spheroid (in full)
2b. math.
A solid figure in the shape of a flattened sphere that is obtained by rotating an ellipse about its shorter axis.
Form: oblate spheroid (in full)

Derivative: spheroidal
adj

Derivative: spheroidicity
noun

Etymology: 17c: from Latin sphareoides, from Greek sphaira a globe.