pentagonal
/pɛnˈtæɡənəl/
Word Rarity
Very rare
Frequency: Zipf frequency 2.08 in modern English
13
Scrabble Score
10
Letters
4
Syllables
8
Unique Chars
Meaning
Example Sentences
- "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 : ..."
- "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 […]"
- "Speaking of protection, note that not only are the end pentagonals surrounded by a generous air space, but the entire instrument is insulated, […]"
- "The pentagonals with the flowers and the leaves of the central calyx are gilded all over, as is the inner lip of the vessel."
Etymology
Etymology tree Proto-Indo-European *pénkʷe Proto-Hellenic *pénkʷe Ancient Greek πέντε (pénte) Ancient Greek πεντα- (penta-) Proto-Indo-European *ǵónu Proto-Hellenic *gónu Proto-Hellenic *-ía Proto-Hellenic *gonwía Ancient Greek γωνία (gōnía) Proto-Indo-European *-om Proto-Hellenic *-on Ancient Greek -ον (-on) Ancient Greek πεντάγωνον (pentágōnon)bor. Late Latin pentagōnumder. Middle French pentagoneder. English pentagon English -al English pentagonal From pentagon + -al.