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icositetrahedron
i·co·si·tet·ra·he·dron [ ī kssə tèttrə hdrən ] (plural i·co·si·tet·ra·he·drons or i·co·si·tet·ra·he·dra [ ī kssə tèttrə hdrə ])


noun 
Definition:
 
24-sided figure: a three-dimensional geometric figure formed of 24 sides or faces
[Mid-19th century. < Greek eikosi "twenty" + tetra- "four"]
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