hyperboloid

noun hy·per·bo·loid \ hī-ˈpər-bə-ˌlȯid \

Definition of hyperboloid

: a quadric surface whose sections by planes parallel to one coordinate plane are ellipses while those sections by planes parallel to the other two are hyperbolas if proper orientation of the axes is assumed

hyperboloidal

play \(ˌ)hī-ˌpər-bə-ˈlȯi-dᵊl\ adjective

Recent Examples of hyperboloid from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hyperboloid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of hyperboloid

1743

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about hyperboloid


Seen and Heard

What made you want to look up hyperboloid? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

one who attends or assists a leader

Get Word of the Day daily email!

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!