antiprism

noun an·ti·prism \ ¦an-ˌtī-¦pri-zəm , ¦an-tē- \

Definition of antiprism

plural antiprisms
:a polyhedron having two faces that are identical polygons in parallel planes but rotated from each other while the other faces are a series of alternately oriented triangles
  • These are the first clusters composed of centered square antiprisms of metal atoms.
  • —Francis J. DiSalvoScience9 Feb. 1990

antiprismatic

play \¦an-ˌtī-priz-¦ma-tik, ¦an-tē-\ adjective
    • The ytterbium environment, in keeping with the diminished ionic radius, is now eight-coordinate with a square-antiprismatic arrangement.
    • —Glen B. Deacon et al.Canadian Journal Of Chemistry1 Jan. 2009

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Origin and Etymology of antiprism


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