How Do You Spell PENTAHEDRON?

Pronunciation: [pˌɛntɐhˈiːdɹən] (IPA)

Pentahedron is a geometric term used to describe a solid shape with five faces. The word is spelled with the prefix "penta-" meaning five, and the suffix "-hedron," referring to a three-dimensional shape with flat faces. The correct pronunciation of pentahedron is /ˌpɛntəˈhiːdrɒn/, with emphasis on the first syllable. The "penta" syllable is pronounced with a short "e" sound, while "hedron" ends with the nasalized "n" sound. This is a rare but important word for those studying mathematics and geometry.

PENTAHEDRON Meaning and Definition

1. A pentahedron refers to a three-dimensional geometric shape that consists of five faces, each of which is a polygon. The term "pentahedron" is derived from the Greek words "penta" meaning "five" and "hedra" meaning "face." It is important to note that a pentahedron is a generalization of a pyramid since the latter is a subclass of pentahedra, where the base of the pyramid is a polygon, typically a quadrilateral, and the remaining faces are triangles.

   A key characteristic of a pentahedron is that it has five vertices, representing the points where its edges meet. These vertices are connected by several edges, which serve as the boundary lines of each face. The faces themselves may be of different shapes, such as triangles, quadrilaterals, or polygons with more than four sides. However, in a regular pentahedron, all the faces are congruent and have the same shape.

   Pentahedra can have various names, depending on the specific characteristics of their faces. For example, a pentahedron with triangular faces is called a pentagonal pyramid, whereas a pentahedron with four triangular faces and one square face is a square pyramid. Overall, the concept of a pentahedron encompasses a rich variety of polyhedra with five faces, making it an essential concept in geometry and three-dimensional spatial reasoning.

2. A solid figure having five equal sides.

   Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.

Common Misspellings for PENTAHEDRON

• oentahedron
• lentahedron
• -entahedron
• 0entahedron
• pwntahedron
• psntahedron
• pdntahedron
• prntahedron
• p4ntahedron
• p3ntahedron
• pebtahedron
• pemtahedron
• pejtahedron
• pehtahedron
• penrahedron
• penfahedron
• pengahedron
• penyahedron
• pen6ahedron

Etymology of PENTAHEDRON

The word "pentahedron" is derived from the Greek roots "penta", meaning "five", and "hedra", meaning "face" or "base". In geometry, a pentahedron refers to a solid three-dimensional figure with five faces.

Similar spelling words for PENTAHEDRON

• pentathlon,
• pentatonic,
• pentothal.

Plural form of PENTAHEDRON is PENTAHEDRA OR PENTAHEDRONS