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icosahedron icosahedroni·co·sa·he·dron I0016100 (ī-kō′sə-hē′drən, ī-kŏs′ə-)n. pl. i·co·sa·he·drons or i·co·sa·he·dra (-drə) A polyhedron having 20 faces. [Greek eikosaedron, from neuter of Greek eikosaedros, twenty-sided : eikosi, twenty; see wīkm̥tī- in Indo-European roots + -edros, -sided; see -hedron.] i·co′sa·he′dral (-drəl) adj.icosahedron (ˌaɪkəsəˈhiːdrən) n, pl -drons or -dra (-drə) (Mathematics) a solid figure having 20 faces. The faces of a regular icosahedron are equilateral triangles[C16: from Greek eikosaedron, from eikosi twenty + -edron -hedron] ˌicosaˈhedral adji•co•sa•he•dron (aɪˌkoʊ səˈhi drən, aɪˌkɒs ə-) n., pl. -drons, -dra (-drə). a solid figure having 20 faces. [1560–70; < Greek eikosáedron=eikosa-, variant of eikosi-, comb. form of eíkosi twenty + -edron -hedron] ThesaurusNoun | 1. | icosahedron - any polyhedron having twenty plane facespolyhedron - a solid figure bounded by plane polygons or faces | Translationsicosahedron
icosahedron (īkō'səhē`drən): see polyhedronpolyhedron , closed solid bounded by plane faces; each face of a polyhedron is a polygon. A cube is a polyhedron bounded by six polygons (in this case squares) meeting at right angles. ..... Click the link for more information. .IcosahedronA regular polygon bounded by 20 equilateral triangles, with 12 vertices and 20 edges.icosahedron[ī¦kä·sə¦hē·drən] (mathematics) A 20-sided polyhedron. icosahedron a solid figure having 20 faces. The faces of a regular icosahedron are equilateral triangles icosahedron
icosahedron (ī-kō″să-hē′drŏn, kŏs″) [Gr. eikosaedron] A nearly spherical structure made of 20 identical subunits linked at 12 symmetrical corners. Each subunit is an equilateral triangle. Several viruses, including the human immunodeficiency virus (HIV), are icosahedral. icosahedron Related to icosahedron: dodecahedron, Truncated icosahedron, Platonic solidsWords related to icosahedronnoun any polyhedron having twenty plane facesRelated Words |