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

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The first known use of tetartohedral was circa 1858

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Cite this Entry

“Tetartohedral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetartohedral. Accessed 14 Aug. 2020.

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