surface of revolution

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Noun

surface of revolution

1. (mathematics) A surface formed when a given curve is revolved around a given axis. If the resulting surface is a closed one, it also defines a solid of revolution.

   A sphere is a surface of revolution of a circle around an axis which runs through the center of the circle.

   A torus is a surface of revolution of a circle around an axis which is outside the circle.

Related terms

• solid of revolution

Translations

• Russian: пове́рхность враще́ния

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