The lacunar pattern of this grain therefore includes six tetragonal and nine hexagonal faces. Relating this to polyhedrons, we find that no pentakaidecahedron with such a combination of faces can exist (see page 199).
Source: wiktionary
Pentakaidecahedron
Synonyms for "pentakaidecahedron" (1 found)
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Noun(1 words)
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The host structure is similar to that of the (n–C₄H₉)₄ N⁺C₆H₅COOH⁻·39.5 H₂O consisting of a tetragonal body-centered arrangement of groups of five face-sharing pentagonal dodecahedra interlinked by tetrakaidecahedra and pentakaidecahedra.
Source: wiktionary
An ideal unit cell consists of ten dodecahedrons, sixteen tetrakaidecahedrons and four pentakaidecahedrons.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.