<chemistry> A solid bounded by twelve quadrilateral faces. It is a hemihedral form of the isometric system, allied to the tetrahedron.

Origin: Gr. Delta, the letter <su:DELTA/ + 'edra seat, base.

(01 Mar 1998)

delta virus, delta wave, delthyris, deltidium < Prev | Next > deltoid, deltoid branch, deltoid crest

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