noun, plural i·co·sa·he·drons, i·co·sa·he·dra [ahy-koh-suh-hee-druh, ahy-kos-uh-]. /aɪˌkoʊ səˈhi drə, aɪˌkɒs ə-/.
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Origin of icosahedron
OTHER WORDS FROM icosahedroni·co·sa·he·dral, adjective
Words nearby icosahedron
Example sentences from the Web for icosahedron
That is, he thought where there’s water, you’d need to be able to arrange copies of the icosahedral water particle such that the icosahedra perfectly occupied the entirety of the watery space without overlapping.Undergraduates Hunt for Special Tetrahedra That Fit Together|Kevin Hartnett|February 9, 2021|Quanta Magazine
Two of these generate the cube and the octahedron; five of these generate the dodecahedron and the icosahedron.Occult Chemistry|Annie Besant and Charles W. Leadbeater
The Icosahedron, having twenty equilateral triangles as faces.Bygone Beliefs|H. Stanley Redgrove
Within the earth's orbit inscribe an icosahedron: the sphere inscribed in it will be Venus's orbit.
Now, inscribe in the Earth an icosahedron, the circle inscribed in it will be Venus.
That for the tetrahedron has 12 for its order, for the cube (or octahedron) 24, and for the icosahedron (or dodecahedron) 60.