Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A polygon with ten angles and ten sides.
Century Dictionary and Cyclopedia
- n. In geometry, a plane figure having ten sides and ten angles. When all the sides and angles are equal, it is a regular decagon.
Wiktionary
- n. geometry A polygon with ten sides and ten angles.
GNU Webster's 1913
- n. (Geom.) A plane figure having ten sides and ten angles; any figure having ten angles. A
regular decagon is one that has all its sides and angles equal.
WordNet 3.0
- n. a polygon with 10 sides and 10 angles
Etymologies
- deca- + -gon (Wiktionary)
- Medieval Latin decagōnum, from Greek dekagōnon, from neuter of dekagōnos, having ten angles : deka, ten. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“In Friday's edition of the journal Science, Lu and Princeton physicist Paul Steinhardt report finding a set of polygon-shaped tiles — a decagon, pentagon, diamond, bowtie and hexagon — that were arranged into distinctive patterns found on major Islamic buildings from the 12th through 15th centuries.”
“To put it simply, this bike climbs like a squirrel, descends like a greased squirrel on a luge, corners like a decagon, and accelerates like a methamphetamine-addicted rabbit.”
“Art historians have until now assumed that the intricate tilework had been created using straight edges and compasses, but the study in Science suggests the Islamic artisans were using a basic toolkit of girih tiles made up of shapes such as the decagon, pentagon, diamond and hexagon.”
“These mosaics are formed from five polygons -- a decagon, a pentagon, a lozenge, a hexagon and a triangle -- each representing a unique decorative motif.”
“Running through each polygon a decagon, pentagon, diamond, bowtie or hexagon is a decorative line.”
“In Friday's edition of the journal Science, Lu and Princeton physicist Paul Steinhardt report finding a set of polygon-shaped tiles -- a decagon, pentagon, diamond, bowtie and hexagon -- that were arranged into distinctive patterns found on major Islamic buildings from the 12th through 15th centuries.”
“I try and look at the good side, but how can you you see the good side when you're an decagon with 9 bad sides?”
“E, a decagon fragment, which contains a somewhat less full account of the Kirbit campaign, and a picturesque narrative of the opening of diplomatic relations with Lydia.”
“The first known was Cylinder A, a decagon, whose lines divide the document into thirteen parts.”
“The first of these finds (crd. 36°) and (crd. 72°) from the geometry of the inscribed pentagon and decagon; the second”
Lists
These user-created lists contain the word ‘decagon’.
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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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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, D
dodecahedron, din, diglyceride, dysphotopsia, decoction, deboss, diatonic, dithyramb, divagate, discalced, dishdasha, daft and 281 more...
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deca-, dec-
ten
decalogue, decahedron, decagram, December, decagon, decemcostate
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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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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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geometry
catenary, angle, ray, segment, sector, circle, chord, diameter, radius, area, perimeter, volume and 49 more...
Tweets
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