pyritohedron

noun

py·​ri·​to·​he·​dron
-drən sometimes -ˌdrän
plural pyritohedrons or pyritohedra
: a pentagonal dodecahedron that is a hemihedral form of the isometric system of crystalline symmetry common to pyrite

Word History

Etymology

New Latin, from pyrito- (from International Scientific Vocabulary pyrite) + -hedron

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Dictionary Entries Near pyritohedron

Cite this Entry

“Pyritohedron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyritohedron. Accessed 22 May. 2024.

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