quindecagon
/kwɪnˈdɛkəɡ(ə)n/ /kwɪnˈdɛkəɡɒn/Geometry
noun
A plane figure having fifteen straight sides and fifteen angles.
Origin
Late 16th century; earliest use found in Henry Billingsley (d. 1606), merchant and translator. From post-classical Latin quindecagonum, probably a blend of classical Latin quīndecim fifteen and post-classical Latin decagonum, after ancient Greek πεντεκαιδεκάγωνον.
- uniformity
- Uniformity, Act of
- uniformly
- uniform resource locator
- unify
- unijunction
- unilateral
- Unilateral Declaration of Independence
- unilateralism
- unilateralist
- unilaterally
- unilinear
- unilinearly
- unilingual
- unilingualism
- unilingually
- unilluminated
- unillustrated
- unilocular
- uniloculate
- unimaginable
- unimaginably
- unimaginative
- unimaginatively
- unimaginativeness