Noun:

विंशफलक, बीस पहलुओं वाली ठोस आकृति, समपाश्विक, विंशतिफलक,

icosahedron's Usage Examples:

Several of these arise naturally as crystals, and the truncated icosahedron occurs in real life as a football.

This category includes the 13-atom icosahedron, which can be decomposed into twenty tetrahedra sharing a common vertex.

Stainless steel nickel plated candle holder (20 sides - each side 1811 - see Para 12) shape is called an icosahedron.

F rotates the icosahedron in various ways apparently looking for pentagon based pyramids on the " left " and " right " hand sides.

Shown above is an icosahedron of twelve dodecahedral structures surrounding a central dodecahedron; (H 2 O) 130.

Other examples of reciprocal holohedra are: the rhombic dodecahedron and cuboctahedron, with regard to the cube and octahedron; and the semiregular triacontahedron and icosidodecahedron, with regard to the dodecahedron and icosahedron.

Four such solids exist: (I) small stellated dodecahedron; (2) great dodecahedron; (3) great stellated dodecahedron; (4) great icosahedron.

This is the icosahedron.

Icosahedron >>

ICOSAHEDRON (Gr.

Synonyms:

polyhedron,