请输入您要查询的英文单词:

 

单词 pendecagon
释义

Definition of pendecagon in English:

pendecagon

noun pɛnˈdɛkəɡ(ə)npɛnˈdɛkəɡɒn
Geometry rare
  • A plane figure having fifteen straight sides and fifteen angles; a quindecagon.

Origin

Late 17th century; earliest use found in William Alingham (fl. 1694–1710). Apparently irregularly from pen- (in ancient Greek πέντε five: see penta-) + decagon. Compare post-classical Latin pentedecagonum, Hellenistic Greek πεντεκαιδεκάγωνον.

Definition of pendecagon in US English:

pendecagon

noun
Geometry rare
  • A plane figure having fifteen straight sides and fifteen angles; a quindecagon.

Origin

Late 17th century; earliest use found in William Alingham (fl. 1694–1710). Apparently irregularly from pen- (in ancient Greek πέντε five: see penta-) + decagon. Compare post-classical Latin pentedecagonum, Hellenistic Greek πεντεκαιδεκάγωνον.

随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/11 9:56:44