quindecagonn.

Brit.

/kwɪnˈdɛkəɡ(ə)n/,

/kwɪnˈdɛkəɡɒn/, U.S.

/kwɪnˈdɛkəˌɡɑn/

Forms: 1500s– quindecagon, 1600s quindecagone, 1700s quindekagon.

Origin: A borrowing from Latin. Etymon: Latin quindecagonum.

Etymology: < post-classical Latin quindecagonum (13th cent.; 1509 in the passage translated in quot. 1570), probably a blend of classical Latin quīndecim fifteen (see quindecemvir n.) and post-classical Latin decagonum decagon n., after ancient Greek πεντεκαιδεκάγωνον.

Geometry.

A plane figure having fifteen straight sides and fifteen angles.

ΘΚΠ

the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > with ten or more sides or angles

quindecagon1570

quindecangle1636

hendecagon1649

decagona1652

dodecagon1658

quatuordecangle1667

myriagon1674

chiliagon1692

pendecagon1695

undecagon1728

1570 H. Billingsley tr. Euclid Elements Geom. iv. f. 124 In a circle geuen to describe a quindecagon [L. quindecagonum] or figure of fiftene angles.

1651 T. Rudd Euclides Elem. Geom. 179 In a given Circle to inscribe a Quindecagon.

1778 G. L. Way Learning at Loss II. 88 A Fellow..who..crams you with Pentagons, Hexagons and Quindekagons.

1841 Penny Cycl. XIX. 363/2 The term quindecagon is in use to express the polygon of fifteen sides.

1893 T. S. Rao Geom. Exercises Paper Folding ix. 37 This figure shows how the quindecagon is obtained from the pentagon.

1921 Isis 4 321 To find the side of the quindecagon.

1998 Independent 6 Jan. (Network Plus section) 7/4 Most names for large numbers of sides are not used: a 27-sided shape is just called ‘a 27-sided polygon’—apart from the 15-sided pendecagon/quindecagon and 100-sided chiliagon.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	quindecagon
释义	quindecagonn. Brit. /kwɪnˈdɛkəɡ(ə)n/, /kwɪnˈdɛkəɡɒn/, U.S. /kwɪnˈdɛkəˌɡɑn/ Forms: 1500s– quindecagon, 1600s quindecagone, 1700s quindekagon. Origin: A borrowing from Latin. Etymon: Latin quindecagonum. Etymology: < post-classical Latin quindecagonum (13th cent.; 1509 in the passage translated in quot. 1570), probably a blend of classical Latin quīndecim fifteen (see quindecemvir n.) and post-classical Latin decagonum decagon n., after ancient Greek πεντεκαιδεκάγωνον. Geometry. A plane figure having fifteen straight sides and fifteen angles. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > with ten or more sides or angles quindecagon1570 quindecangle1636 hendecagon1649 decagona1652 dodecagon1658 quatuordecangle1667 myriagon1674 chiliagon1692 pendecagon1695 undecagon1728 1570 H. Billingsley tr. Euclid Elements Geom. iv. f. 124 In a circle geuen to describe a quindecagon [L. quindecagonum] or figure of fiftene angles. 1651 T. Rudd Euclides Elem. Geom. 179 In a given Circle to inscribe a Quindecagon. 1778 G. L. Way Learning at Loss II. 88 A Fellow..who..crams you with Pentagons, Hexagons and Quindekagons. 1841 Penny Cycl. XIX. 363/2 The term quindecagon is in use to express the polygon of fifteen sides. 1893 T. S. Rao Geom. Exercises Paper Folding ix. 37 This figure shows how the quindecagon is obtained from the pentagon. 1921 Isis 4 321 To find the side of the quindecagon. 1998 Independent 6 Jan. (Network Plus section) 7/4 Most names for large numbers of sides are not used: a 27-sided shape is just called ‘a 27-sided polygon’—apart from the 15-sided pendecagon/quindecagon and 100-sided chiliagon. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1570
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