dodecagonn.

/dəʊˈdɛkəɡən/

Forms: Also 1600s duodecagon.

Etymology: < Greek δωδεκάγωνον, < δώδεκα twelve + -γωνος angled, γωνία angle; compare French dodécagone (1690 in Hatzfeld & Darmesteter).

Geometry.

A plane figure having twelve sides and twelve angles. regular dodecagon, one that has all its sides and all its angles equal.

ΘΚΠ

the world > space > shape > angularity > specific angular shape > [noun] > polygon > decagon or dodecagon

decagona1652

dodecagon1658

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

1658 E. Phillips New World Eng. Words Dodecagon (Greek), a Geometrical figure of 12 Angles.

a1696 E. Scarburgh Eng. Euclide (1705) 173 (note) From the bisection of an Hexagonal Arch, may be inscribed..a Duodecagon.

1861 G. W. Thornbury Life J. M. W. Turner I. 51 He draws trees when he should draw dodecagons.

Derivatives

dodeˈcagonal adj. of or pertaining to a dodecagon; twelve-sided.

ΘΚΠ

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

decagonal1571

thousand-sided1704

nonagon1754

dodecagonal1854

tridecilateral1882

1854 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 281/2.

This entry has not yet been fully updated (first published 1897; most recently modified version published online June 2022).

单词	dodecagon
释义	dodecagonn. /dəʊˈdɛkəɡən/ Forms: Also 1600s duodecagon. Etymology: < Greek δωδεκάγωνον, < δώδεκα twelve + -γωνος angled, γωνία angle; compare French dodécagone (1690 in Hatzfeld & Darmesteter). Geometry. A plane figure having twelve sides and twelve angles. regular dodecagon, one that has all its sides and all its angles equal. ΘΚΠ the world > space > shape > angularity > specific angular shape > [noun] > polygon > decagon or dodecagon decagona1652 dodecagon1658 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 1658 E. Phillips New World Eng. Words Dodecagon (Greek), a Geometrical figure of 12 Angles. a1696 E. Scarburgh Eng. Euclide (1705) 173 (note) From the bisection of an Hexagonal Arch, may be inscribed..a Duodecagon. 1861 G. W. Thornbury Life J. M. W. Turner I. 51 He draws trees when he should draw dodecagons. Derivatives dodeˈcagonal adj. of or pertaining to a dodecagon; twelve-sided. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > with nine or more sides or angles decagonal1571 thousand-sided1704 nonagon1754 dodecagonal1854 tridecilateral1882 1854 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 281/2. This entry has not yet been fully updated (first published 1897; most recently modified version published online June 2022). < n.1658
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