tetartohedral

adjective
te·​tar·​to·​he·​dral | \ te-ˌtär-tə-ˈhē-drəl How to pronounce tetartohedral (audio) \

Definition of tetartohedral

of a crystal
: having one fourth the number of planes required by complete symmetry — compare hemihedral, holohedral

First Known Use of tetartohedral

circa 1858, in the meaning defined above

History and Etymology for tetartohedral

Greek tetartos fourth; akin to Greek tettares four — more at four

Learn More About tetartohedral

Time Traveler for tetartohedral

Time Traveler

The first known use of tetartohedral was circa 1858

See more words from the same year

Dictionary Entries Near tetartohedral

tetartoconid

tetartohedral

tetartohedrism

See More Nearby Entries 

Statistics for tetartohedral

Cite this Entry

“Tetartohedral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetartohedral. Accessed 26 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!