-hedron

noun combining form

plural -hedrons or -hedra
: crystal or geometrical figure having a (specified) form or number of surfaces
pentahedron
trapezohedron

Word History

Etymology

New Latin, from Greek -edron, from hedra seat — more at sit

Dictionary Entries Near -hedron

Hedriophthalma

-hedron

hedy-

See More Nearby Entries 

Cite this Entry

“-hedron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-hedron. Accessed 16 Dec. 2024.

Copy Citation

Share

Love words? Need even more definitions?

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

Popular in Grammar & Usage

See All

Using Bullet Points ( • )

Point of View: It's Personal

Plural and Possessive Names: A Guide

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words
See All

Popular in Wordplay

See All

More Words with Remarkable Origins

8 Words for Lesser-Known Musical Instruments

Birds Say the Darndest Things

10 Scrabble Words Without Any Vowels

12 More Bird Names that Sound Like Insults (and Sometimes Are)
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
confused man standing between two doors
One Word or Two? Take the Quiz! Some words just need a little space.