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.

词汇	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.
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