Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A polygon having seven sides.
Century Dictionary and Cyclopedia
- n. In geometry, a closed figure having seven angles successively united by lines.
- n. In fort, a place that has seven bastions for defense.
Wiktionary
- n. geometry A polygon with seven sides and seven angles.
GNU Webster's 1913
- n. (Geom.) A plane figure consisting of seven sides and having seven angles.
WordNet 3.0
- n. a seven-sided polygon
Etymologies
- Since 16th century, from Ancient Greek ἑπτάγωνον (heptagonon), from ἑπτά (hepta, "seven") + γωνία (gonia, "angle"). (Wiktionary)
- Latin heptagōnon, from Greek heptagōnos, having seven angles : hepta-, hepta- + -gōnos, angled; see -gon. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“It is seven-sided, a heptagon, composed of an infinitely recursive single line.”
Architecture and Memory: The Renaissance Studioli of Federico da Montefeltro
“Euclid was able to draw an equilateral triangle, square, pentagon and hexagon, but recall that the heptagon (which has seven sides) and the nonagon (nine) eluded him.”
“The heptagon seven sides, for example, cannot be constructed with a compass and straightedge.”
“If the model proves to be successful, the two countries will extend the agreement to a larger area, gradually, and chose the extended area based on experiences accumulated in exploring and exploiting this heptagon.”
“The 7 coordinates for the corners of the heptagon are”
“Upon which the same disorder, confusion, and error follow, as would if a man, going to demonstrate something of an heptagon, should, in the diagram he took to do it, leave out one of the angles, or by oversight make the figure with one angle more than the name ordinarily imported, or he intended it should when at first he thought of his demonstration.”
“Its basis or groundwork was of most pure and limpid alabaster, and its height somewhat more than three spans, being a regular heptagon on the outside, with its stylobates or footsteps, arulets, cymasults or blunt tops, and Doric undulations about it.”
Five books of the lives, heroic deeds and sayings of Gargantua and his son Pantagruel
“Later experience enabled men to judge what was or was not really conducive to virtue, and they rejected both the flute and several other old-fashioned instruments, such as the Lydian harp, the many-stringed lyre, the ‘heptagon,’”
“Here were seven cities, forming the apices of a great heptagon; and at the very center was Festival Field, where drones took place.”
“The side of a regular heptagon is equal to half the side of an equilateral triangle inscribed in the same circle.”
Lists
These user-created lists contain the word ‘heptagon’.
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shapes
words for shape
( randomness, visual. descriptive )triangular, conical, round, broad, congruous, hexagonal, globular, curved, oval, rectangular, parallel, crumpled and 142 more...
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Tag! You're it.
tag, tags, tagging, Tagalog, baronetage, montage, tagalong, Rabindranath Tagore, uredostage, ragtag and bobtail, voltage, price tag and 96 more...
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big book gre
abase, abbess, abbey, abbot, abdicate, abdomen, abdominal, abduction, abed, aberration, abet, abeyance and 6691 more...
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-gon
having a certain number of angles
hexagon, pentagon, heptagon, octogon, polygonal, septagon, decagon, dodecagon
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Just 'cause I like 'em, H
hurlyburly, hurtle, hodgepodge, heartwood, hatch, halo, hooptedoodle, hacienda, hairpin, heyday, hardscrabble, hopper and 208 more...
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Chained Bear's Favorite Words
peruvian, sparky, poop, etymological, fuck, whatnot, pulchritude, nosh, tetched, quotidian, squalid, trajectory and 388 more...
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hepta-
seven
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The Collection
A somewhat discriminatory list of words and phrases collected for their euphonic or arcane appeal, interesting etymology, or concise definition of an otherwise unnamed phenomenon or concept.
ziggurat, neophilia, sucker punch, soporific, epoch, tundra, fiat, idiotproof, miscellany, metaphysics, cryptozoology, dysphoria and 850 more...
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Links Spelling Bee 2012
230 Words
gargalesthesia, bondieuserie, aguinaldo, alcazar, allosaurus, ambidexterity, ameliorate, anachronism, androcentric, ankylosaurus, anthropology, apartheid and 123 more...
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all the angles
and sides
rangle, fangle, fingle-fangle, bangle, dangle, gangle, jangle, mangle, tangle, wangle, wrangle, brangle and 82 more...
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7th Grade Pre-Algebra
a collection of words we study in pre-algebra
geometry, algebra, line, point, ray, segment, probability, theoretical proba..., experimental prob..., outcome, cube, rectangular prism and 22 more...
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Geometrics
geometric shapes
concentricity, polyhedron, spheroid, isosceles triangles, rhombus, octagonal, decagon, trapezoid, concavity, hyperbolic, heptagon, cycloid and 16 more...
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geometry
catenary, angle, ray, segment, sector, circle, chord, diameter, radius, area, perimeter, volume and 49 more...
Tweets
Looking for tweets for heptagon.
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