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 Project Gutenberg

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

From Project Gutenberg

Antonyms: tame, gentle, docile. fiery, a. igneous; vehement, impetuous, passionate, irascible, irritable. fifteen-sided figure. quindecagon. fifteenth day of March, May, July, and October. ides. fig, n. fico, snap, fillip. fig, n.

From Project Gutenberg

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