Noun:

1. a polygon with 10 sides and 10 angles

decil二甲胺乙(基)Decn.十二月n.美国数字电子公司decametric radio wave十米无线电波declaratory judgement[经] 确认权利的判决；宣告式判决decarbaoxylic reation脱羧反应decanoyl acetaldehyde癸酰乙醛decimeter transmitter分米波发射机decidual endometritis蜕膜炎decidable proposition可决策命题deceiving colouration欺骗色declination mechanism冒落机理decussatio fontinalis[医] 被盖后交叉(顶盖脊髓束交叉)