tet·​ra·​he·​dral | \ ˌte-trə-ˈhē-drəl How to pronounce tetrahedral (audio) \

Definition of tetrahedral

1 : being a polyhedral angle with four faces
2 : relating to, forming, or having the form of a tetrahedron

Keep scrolling for more

Other Words from tetrahedral

tetrahedrally \ ˌte-​trə-​ˈhē-​drə-​lē How to pronounce tetrahedrally (audio) \ adverb

Examples of tetrahedral in a Sentence

Recent Examples on the Web

The breakthrough came when a friend gave him a cheap tetrahedral kite. Joshua Davis, WIRED, "Wing Commander," 1 June 2003

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

First Known Use of tetrahedral

1794, in the meaning defined at sense 1

Keep scrolling for more

Learn More about tetrahedral

Share tetrahedral

Statistics for tetrahedral

Look-up Popularity

Time Traveler for tetrahedral

The first known use of tetrahedral was in 1794

See more words from the same year

More from Merriam-Webster on tetrahedral

Rhyming Dictionary: Words that rhyme with tetrahedral

Comments on tetrahedral

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


grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

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


Love words? Need even more definitions?

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