We found 6 dictionaries that define the word pentahedra:

General (5 matching dictionaries)

1. pentahedra: Oxford Learner's Dictionaries
2. pentahedra: Collins English Dictionary
3. pentahedra: Wiktionary
4. pentahedra: Dictionary.com
5. pentahedra: TheFreeDictionary.com

Computing (1 matching dictionary)

6. pentahedra: Encyclopedia

(Note: See pentahedron as well.)

Definitions from Wiktionary (pentahedron) ▸ noun:  (geometry) A polyhedron with five faces. ▸ Also see pentahedron ▸ Words similar to pentahedra ▸ Usage examples for pentahedra ▸ Idioms related to pentahedra ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pentahedra ▸ Words that often appear near pentahedra ▸ Rhymes of pentahedra ▸ Invented words related to pentahedra