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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Origin and Etymology of plagiohedral
plagi- + -hedral
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