See Also: icos-(dictionary)

icos- (iou)



icos- combining form. . See also EICOS-.
[Greek eikosi.]
Twenty.
i,cosidodeca'hedron noun, pl. -dra, -drons, a solid bounded by twenty equilateral triangles and twelve regular pentagons L16.
i,cositetra'hedron noun, pl. -dra, -drons, a solid with 24 faces M19.