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单词 octagonal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
oc•tag•o•nal  (ok tag′ə nl),USA pronunciation adj. 
  1. Mathematicshaving eight angles and eight sides.
  • Neo-Latin octōgōnālis, equivalent. to octō- octo- + Greek gōn(ía) angle + -ālis -al1
  • octagon + -al, replacing earlier octogonal 1565–75
oc•tag′o•nal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
octagonal /ɒkˈtæɡənəl/ adj
  1. having eight sides and eight angles
  2. of or relating to an octagon
WordReference Random House Learner's Dictionary of American English © 2024
oc•ta•gon /ˈɑktəˌgɑn, -gən/USA pronunciation   n. [countable]
  1. Mathematicsa flat, geometrical shape or figure having eight angles and eight sides.
oc•tag•o•nal /ɑkˈtægənəl/USA pronunciation  adj. See -gon-.

WordReference Random House Unabridged Dictionary of American English © 2024
oc•ta•gon  (ok′tə gon′, -gən),USA pronunciation n. 
  1. Mathematicsa polygon having eight angles and eight sides. Also called octangle. 
  • Greek oktágōnon, noun, nominal use of neuter of oktágōnos octangular; see octa-, -gon
  • Latin octagōnon
  • 1650–60
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