hyperboloid Hear it!

hyperboloid definition

hy·per·bo·loid (hī pʉr′bə lo̵id′)

noun

  1. a solid often formed by rotating a hyperbola around either main axis: its plane sections are hyperbolas, ellipses, or circles
  2. the surface of such a solid

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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