octaedron

octaedron

English

Noun

octaedron

1. Alternative spelling of octahedron

Anagrams

• cartooned, coronated

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Latin

Etymology

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

Pronunciation

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

Noun

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.

Inflection

Second declension, Greek type.

Case	Singular	Plural
Nominative	octaedron	octaedra
Genitive	octaedrī	octaedrōrum
Dative	octaedrō	octaedrīs
Accusative	octaedron	octaedra
Ablative	octaedrō	octaedrīs
Vocative	octaedron	octaedra

Derived terms

• octaedricus

Noun

octaedron

1. accusative singular of octaedros