| 单词 | octagonal |
| 释义 | octagonal —octagonally, adv. /ok tag"euh nl/, adj. having eight angles and eight sides. [1565-75; OCTAGON + -AL, r. earlier octogonal < NL octogonalis, equiv. to octo- OCTO- + Gk gon(ía) angle + -alis -AL1] |
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