Word.ws English Dictionary

pentagonal

/pɛnˈtæɡənəl/

pentagonal adjective: of, relating to, or shaped like a pentagon.

Adjective

pentagonal (comparative more pentagonal, superlative most pentagonal)

  1. 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 Radford Young, An introductory treatise on mensuration, in theory and practice, page 115
    • 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 position, taxonomy, distribution, and conservation status of the rare and poorly-known Noccaea rosularis, the generic type of Masmenia …”, in Phytotaxa

Noun

pentagonal (plural pentagonals)

  1. 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, page 188

pentagonal meaning in Hindi, Tamil, Urdu and Bengali

pentagonal in Hindi

pentagonal
पंचकोना pañckonā

pentagonal in Tamil

ஐந்துபக்கமுள்ள

pentagonal in Urdu

مخمس, پنج گوشہ

pentagonal in Bengali

of, relating to, or shaped like a pentagon
পঞ্চভুজাকৃতি poncobhujakriti
More languagesFewer languages
pentagonal in Tagalog
limsihain

Examples of pentagonal in a sentence

  • The form can be derived by triangulating the pentagonal faces of the snub dodecahedron (Fig. 19).
  • Fig. 11b shows the three sub-implosions-- face-to-vertex, face-to-edge, face-to-face-- to give the dual pentagonal hexecontahedron.
  • Harald joined a short queue, handed over a 13- cental coin , and took his pentagonal pink ticket .

All 10 example sentences with pentagonal

Forms of pentagonal

Adjective
comparativemore pentagonal
superlativemost pentagonal
Noun
pluralpentagonals

Origin of pentagonal

From pentagon + -al.

Words formed from pentagonal

Phrases with pentagonal

Words that rhyme with pentagonal

Questions about pentagonal

What does pentagonal mean?
Pentagonal means of, relating to, or shaped like a pentagon.
What is pentagonal in Hindi?
Pentagonal in Hindi is पंचकोना (pañckonā). See Pentagonal meaning in Hindi.
What part of speech is pentagonal?
Pentagonal can be an adjective or a noun.
How do you pronounce pentagonal?
Pentagonal is pronounced /pɛnˈtæɡənəl/.

Words near pentagonal in the dictionary

  1. pentaglycine
  2. pentaglycines
  3. pentaglycosylceramide
  4. pentaglycosylceramides
  5. pentagon
  6. pentagonal
  7. pentagonal hexecontahedron
  8. pentagonal icositetrahedron
  9. pentagonal prism
  10. pentagonal prisms
  11. pentagonally

Source and license

Adapted from Wiktionary: pentagonal (page history and authors); पंचकोना (Hindi) (page history and authors); pentagonal (Tamil Wiktionary) (page history and authors); pentagonal (Urdu Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-ca-pentagonal.oga.

Cite this entry: “pentagonal.” Word.ws, https://word.ws/pentagonal. Based on Wiktionary, CC BY-SA 4.0.