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WordReference Random House Learner's Dictionary of American English © 2024pol•y•gon /ˈpɑliˌgɑn/USA pronunciation n. [countable]- Mathematicsa figure, esp. a closed plane figure, having three or more sides.
po•lyg•o•nal /pəˈlɪgənəl/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024pol•y•gon (pol′ē gon′),USA pronunciation n. - Mathematicsa figure, esp. a closed plane figure, having three or more, usually straight, sides. See illus. under heptagon, hexagon, octagon, pentagon, quadrilateral, triangle.
- Greek polýgōnon, noun, nominal use of neuter of polýgōnos many-angled. See poly-, -gon
- Latin polygōnum
- 1560–70;
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