dodecaedron

dodecaedron

1. Alternative spelling of dodecahedron

From Ancient Greek δωδεκάεδρον (dōdekáedron).

• (Classical) IPA^(key): /do.de.kaˈeː.dron/, [d̪ɔd̪ɛkäˈeːd̪rɔn]
• (modern Italianate Ecclesiastical) IPA^(key): /do.de.kaˈe.dron/, [d̪od̪ekäˈɛːd̪ron]

dodecaēdron n (genitive dodecaēdrī); second declension

1. dodecahedron
   • 1611, Johannes Kepler, Strena seu De Niva Sexangula, page 23:

     Vidi enim Dresdae in aede Regia cui Stabulo nomen, exornatum abacum aere argentoso, ex quo quasi efflorescebat dodecaedron avellanae parvae magnitudine, dimidia parte extans.

     Indeed I saw in the Royal Palace in Dresden, called Stabulo, a wall panel equipped with silver ore, from which was blooming a dodecahedron with the size of a small hazelnut, projecting halfway.

Second-declension noun (neuter, Greek-type).