pentahedral


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pentahedron

pen·ta·he·dron

 (pĕn′tə-hē′drən)
n. pl. pen·ta·he·drons or pen·ta·he·dra (-drə)
A solid having five plane faces.

pen′ta·he′dral (-drəl) adj.
References in periodicals archive ?
Viewers look through a small window to find scenes from Chinese films from the 1930s such as "The Trail," "New Women" and "Angel of the Road" screened on an infinite number of monitors, which in fact are reflections in a pentahedral mirror.
Ferguson proved that an irregular arrangement based on a structure known as a pentahedral prism is less dense than the face-centered cubic packing.