decagonn.

/ˈdɛkəɡən/

Etymology: < medieval Latin decagōnum noun, decagōnus adjective, < Greek δεκάγωνον, δεκάγωνος, < Greek δέκα ten, and γωνία corner or angle, -γωνος angled. Used at first in Latin form. Compare French décagone, 1652 in Hatzfeld.

Geometry.

A plane figure having ten sides and ten angles. Also attributive.

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

1571 T. Digges in L. Digges's Geom. Pract.: Pantometria xxv. sig. H h iij ^v The superficies of an equiangle Decagonum.]

a1652 I. Jones in B. Allsopp & R. A. Sayce Inigo Jones on Palladio (1970) II. iv. 40 A Circell without and a decagono within.

1704 J. Harris Lexicon Technicum I. (at cited word) If they are all equal to one another 'tis then called a Regular Decagon, and it may be inscribed in a Circle.

1841 J. Murray Hand-bk. for Travellers on Continent (rev. ed.) 244/1 The circular portion, or rather the decagon, was not finished till 1227.

1881 Trans. Victoria Inst. XIV. 195 I discovered a perfect decagon terra cotta cylinder.

This entry has not yet been fully updated (first published 1894; most recently modified version published online June 2022).

单词	decagon
释义	decagonn. /ˈdɛkəɡən/ Etymology: < medieval Latin decagōnum noun, decagōnus adjective, < Greek δεκάγωνον, δεκάγωνος, < Greek δέκα ten, and γωνία corner or angle, -γωνος angled. Used at first in Latin form. Compare French décagone, 1652 in Hatzfeld. Geometry. A plane figure having ten sides and ten angles. Also attributive. 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 1571 T. Digges in L. Digges's Geom. Pract.: Pantometria xxv. sig. H h iij ^v The superficies of an equiangle Decagonum.] a1652 I. Jones in B. Allsopp & R. A. Sayce Inigo Jones on Palladio (1970) II. iv. 40 A Circell without and a decagono within. 1704 J. Harris Lexicon Technicum I. (at cited word) If they are all equal to one another 'tis then called a Regular Decagon, and it may be inscribed in a Circle. 1841 J. Murray Hand-bk. for Travellers on Continent (rev. ed.) 244/1 The circular portion, or rather the decagon, was not finished till 1227. 1881 Trans. Victoria Inst. XIV. 195 I discovered a perfect decagon terra cotta cylinder. This entry has not yet been fully updated (first published 1894; most recently modified version published online June 2022). < n.a1652
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