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octahedron

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noun oc·ta·he·dron \-drən\

Definition of octahedron

plural

octahedrons

or

octahedra

play \-drə\
  1. :  a solid bounded by eight plane faces



Illustration of octahedron

Origin and Etymology of octahedron

Greek oktaedron, from okta- + -edron -hedron


First Known Use: 1570


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