Pentaprismo-

{
  "id": "MLC-T-CHM-008602",
  "term": "Pentaprismo-",
  "field": "Chemistry",
  "definition": "A prefix in names for a structure whose ten atoms sit at the vertices of a pentagonal prism, a solid with two parallel pentagonal faces joined by five rectangular sides. Pentaprismane, C10H10, is the hydrocarbon example, a strained cage of D5h symmetry in which every carbon atom is bonded to three other carbons and one hydrogen.",
  "subject": "Organic and Biomolecular Chemistry",
  "references": [
    "Blue Book, p. 465 (https://www.acdlabs.com/iupac/nomenclature/)",
    "Red Book, 3rd ed., p. 245"
  ],
  "url": "https://mlchart.com/terminology/chemistry/pentaprismo/"
}