单词 | dodecagon |
释义 | dodecagon (once / 622069 pages) n A dodecagon is polygon that has twelve sides, just like an octogon has eight sides. The -gon part of dodecagon should clue you in that this is a geometric figure. That leaves the dodeca- part, which means 12. A dodecagon is a polygon, just like a pentagon (five sides) and a hectogon (100 sides). The Greek roots make 12 by combining do (2) and deca (10). This combination of roots can also be found in dodecaphonism (musical composition using the 12-tone technique) and dodecastyle (having 12 columns on a side, which describes certain antique architecture). WORD FAMILYdodecagon: dodecagons USAGE EXAMPLESDodecagon Octagon Decagon Hexagon A ship sets off on a bearing of 072 degrees from port and travels 3.4km in a straight line. BBC(Aug 22, 2013) A month or two found even the Dodecagons infected with the innovation. Abbott, Edwin Abbott, Flatland: a romance of many dimensi...(2010) A dodecagon, as most nearly approaching the circle. Leonardo da Vinci, The Notebooks of Leonardo Da Vinci...(2010) n a twelve-sided polygon Hyper polygon, polygonal shape a closed plane figure bounded by straight sides |
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