tetrahedrons

Variant of tetrahedron

tetrahedron definition

tetra·he·dron (te′trə hē′drən)

noun pl. tetrahedrons -·drons or tetrahedra -·dra (-drə)

a solid figure with four triangular faces

Etymology: ModL < neut. of LGr tetraedros, four-sided: see tetra- & -hedron

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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