rhombohedron

noun

rhom·bo·he·dron ˌräm-bō-ˈhē-drən

plural rhombohedrons or rhombohedra ˌräm-bō-ˈhē-drə

: a parallelepiped whose faces are rhombuses

rhombohedral

ˌräm-bō-ˈhē-drəl

adjective

Word History

Etymology

New Latin

First Known Use

1814, in the meaning defined above

Time Traveler

The first known use of rhombohedron was in 1814

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Browse Nearby Words

rhombohedric

rhombohedron

rhomboid

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Cite this Entry

Style

“Rhombohedron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhombohedron. Accessed 31 Oct. 2025.

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