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Edge-contracted icosahedron

polyhedron with 18 triangular faces

Pronunciation
/ɛʤ - ˈkɒntraktɪd ˌʌɪkɒsəˈhiːdrən/
/ɛʤ - ˈkɑntræktəd aɪˌkoʊsəˈhidrən/