pentagonal
Of, relating to, or shaped like a pentagon.
Adjective
- Of, relating to, or shaped like a pentagon.
- If the base be a triangle, it is called a triangular prism; if a square, a square prism; if a pentagon, a pentagonal prism; and' if the base is any irregular figure, it is called an irregular prism : ... - 1850, John...
- Seed micromorphology:—Seed coat is laticostate. Epidermal cells are elliptical to irregularly pentagonal. Cell walls are thickened mostly at the corners, the boundaries are raised […] - 2018, B Özüdoğru, “Phylogenetic...
Origin
Etymology tree English pentagon Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English pentagonal From pentagon + -al.
Forms
Derived
pentagonal hexecontahedron pentagonal icositetrahedron pentagonally pentagonal prism subpentagonal
Noun
- Something having the shape of a pentagon.
- Speaking of protection, note that not only are the end pentagonals surrounded by a generous air space, but the entire instrument is insulated, […] - 1941, Steel, volume 109, page 59:
- The pentagonals with the flowers and the leaves of the central calyx are gilded all over, as is the inner lip of the vessel. - 1993, Michael Pfrommer, Metalwork from the Hellenized East: Catalogue of the Collections,...