quindecagon

American

[kwin-dek-uh-gon, -guhn] / kwɪnˈdɛk əˌgɒn, -gən /

noun

Geometry.

a polygon having 15 angles and 15 sides.

quindecagon British

/ kwɪnˈdɛkəɡən /

noun

a geometric figure having 15 sides and 15 angles

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of quindecagon

1560–70; < Latin quīndec ( im ) fifteen + -agon (extracted from pentagon, hexagon, etc.)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To inscribe a regular quindecagon in a given circle.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

The latter may, therefore, be divided into thirty, and hence also in fifteen equal parts, and the regular quindecagon be described.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023