icosahedron
[ ahy-koh-suh-hee-druh n, ahy-kos-uh- ]
/ aɪˌkoʊ səˈhi drən, aɪˌkɒs ə- /
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-/.
a solid figure having 20 faces.
Origin of icosahedron
1560–70; < Greek
eikosáedron, equivalent to
eikosa- (variant of
eikosi-, combining form of
eíkosi twenty) +
-edron
-hedron
OTHER WORDS FROM icosahedron
i·co·sa·he·dral, adjectiveWords nearby icosahedron
iconology,
iconomatic,
iconophile,
iconoscope,
iconostasis,
icosahedron,
icositetrahedron,
icp,
icq,
ics,
icsh
Example sentences from the Web for icosahedron
British Dictionary definitions for icosahedron
icosahedron
/ (ˌaɪkəsəˈhiːdrən) /
noun plural -drons or -dra (-drə)
a solid figure having 20 faces. The faces of a regular icosahedron are equilateral triangles
Derived forms of icosahedron
icosahedral, adjectiveWord Origin for icosahedron
C16: from Greek
eikosaedron, from
eikosi twenty +
-edron
-hedron
Scientific definitions for icosahedron
icosahedron
[ ī-kō′sə-hē′drən ]
Plural icosahedrons icosahedra
A polyhedron having twenty faces.