antiprism
noun
an·ti·prism
| \ ¦an-ˌtī-¦pri-zəm
, ¦an-tē-\
, ¦an-tē-\
plural antiprisms
Definition of antiprism
: 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. DiSalvo, Science, 9 Feb. 1990
Other Words from antiprism
antiprismatic
\ ¦an-ˌtī-priz-¦ma-tik
, ¦an-tē- \
adjective
, ¦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 Chemistry, 1 Jan. 2009
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