octaedron

octaedron

1. Alternative spelling of octahedron

• cartooned, coronated

From Ancient Greek ὀκτώ (oktṓ, “eight”) + ἕδρα (hédra, “seat”).

• (Classical) IPA^(key): /okˈta.e.dron/, [ɔkˈta.ɛ.drɔn]

octaedron n (genitive octaedrī); second declension

1. octahedron
   • 1611, Johannes Kepler, Strena seu de nive sexangula 20:

     Aiunt gemmarii naturalia in adamantibus inveniri octaedra, perfectissimae et limatissimae formae.

     Jewelers say that natural octahedra of the most perfect and most refined form are found in diamonds.

Second declension, Greek type.

• octaedricus

octaedron

1. accusative singular of octaedros