from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having seven angles and sides.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having seven angles or sides.
from The Century Dictionary and Cyclopedia
- Having seven angles or sides.
The final part of the instillation is a great heptagonal glass case in a darkened room.
Both figures are comprised of a single recursive line, suggesting that the selection of the heptagonal figure was deliberate.
Regarding the visual pattern of the heptagonal figure at Urbino, it is worth considering Hugh of St. Victor's thoughts on the mnemonic potentials of geometry.
The inside of the cabinet door is inlaid with a heptagonal figure drawn from a single, infinitely recursive line.
Included in this research are speculations about this heptagonal figure and why it might have proved a natural choice as ornament for the Urbino studiolo.
Beside the central image of the city in the east wall, to which we will return momentarily, the heptagonal figure offers a perpetual motion machine by which to contemplate the interconnection of worldly and divine wisdom.
I particularly liked the pair of coasters, intially the other coaster I made (above)has heptagonal symmetry and it was kind of an accident, the ones I made later (below) have hexagonal symmetry and actually fits as a regular pattern.
The conical roofs of the heptagonal temples, the staircases, terraces, and ramparts were being carved by degrees upon the paleness of the dawn; and a girdle of white foam rocked around the Carthaginian peninsula, while the emerald sea appeared as if it were curdled in the freshness of the morning.
The trouble was that there were so many different types of square wheelers; pentagonal wheels, hexagonal, heptagonal, octagonal, orthoganal, diagonal and pythagoral!
It was surrounded by the planetary statues, heptagonal at the bottom, and spherical
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