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单词 nonagon
释义

WordReference Random House Unabridged Dictionary of American English © 2024
non•a•gon  (nonə gon′),USA pronunciation n. 
  1. Mathematicsa polygon having nine angles and nine sides. Also called enneagon. 
  • Latin nōn(us) ninth + -a- (extracted from pentagon, hexagon, etc.) + -gon
  • 1680–90;
non•ag•o•nal  (non agə nl),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
nonagon /ˈnɒnəˌɡɒn/ n
  1. a polygon having nine sides
    Also called: enneagon

nonagonal /nɒnˈæɡənəl/ adj
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