plagiohedral

adjective
pla·​gi·​o·​he·​dral | \ ¦plājēō¦hēdrəl \
variants: or plagihedral \ -​jə¦-​ \

Definition of plagiohedral

: having an oblique spiral arrangement of faces : gyroidal plagiohedral quartz crystals specifically : being a group of the isometric system characterized by 13 axes of symmetry but no center or planes

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History and Etymology for plagiohedral

plagi- + -hedral

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Cite this Entry

“Plagiohedral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plagiohedral. Accessed 21 Apr. 2021.

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