指稱具有十二個邊與十二個角的多邊形；正十二邊形的每個邊等長且每個角為等角。

十二邊形(P,,U,繁體中文-偏好,D,U,U)
十二角形(,U,繁體中文-非偏好,AD,U,U)
shih erh pien hsing(P,,U,韋氏拼音-偏好,UF,U,U)
shí èr biān xíng(P,,U,漢語拼音-偏好,UF,U,U)
shi er bian xing(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
dodecagons(P,,U,英文-偏好,D,U,N)
dodecagon(,U,英文-非偏好,AD,U,N)
duodecagons(,U,英文-非偏好,UF,U,N)
twaalfhoeken(P,,U,荷蘭語-偏好,D,U,U)
twaalfhoek(,U,荷蘭語-非偏好,AD,U,U)
dodecaëders(,U,荷蘭語-非偏好,UF,U,U)
dodecágonos(P,,U,西班牙語-偏好,D,U,PN)
dodecágono(,U,西班牙語-非偏好,AD,U,U)

藝術與建築詞典根目錄
....關聯概念層面
........關聯概念
............<科學概念>
................<數學概念>
....................<幾何概念>
........................幾何圖形 (幾何概念)
............................平面圖形
................................多邊形 (平面圖形)
....................................十二邊形

is basis of....

十二角形的

英文....	Polygons having twelve sides and twelve angles. In regular dodecagons, all sides and all angles are equal.
荷蘭語....	Veelhoeken met twaalf hoeken en twaalf zijden.
西班牙語....	Polígonos que tienen doce ángulos y doce lados.

十二邊形............	[AS-Academia Sinica]
.................	國立編譯館學術名詞資訊網 December 26, 2011
.................	智慧藏百科全書網 December 26, 2011
.................	牛津當代大辭典 p. 510
十二角形............	[AS-Academia Sinica]
.................	智慧藏百科全書網 December 26, 2011
.................	牛津當代大辭典 p. 510
shih erh pien hsing............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
shí èr biān xíng............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
shi er bian xing............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
dodecagons............	[VP]
.................	Random House Dictionary of the English Language (1983)
.................	Webster's 9th New Collegiate Dictionary (1985)
.................	Oxford English Dictionary Online (2002-)
dodecagon............	[VP]
.................	Getty Vocabulary Program rules
duodecagons............	[VP]
.................	Random House Dictionary of the English Language (1987) 606
twaalfhoeken............	[Bureau AAT]
.................	AAT-Ned (1994-)
twaalfhoek............	[Bureau AAT]
.................	AAT-Ned (1994-)
dodecaëders............	[Bureau AAT]
.................	AAT-Ned (1994-)
dodecágonos............	[VP]
.................	TAA database (2000-)
dodecágono............	[VP]
.................	Moliner, Diccionario de uso del español (2004) I:1030
Subject:............	[AS-Academia Sinica]
.................	Van Dale Engels-Nederlands (1989)

Getty AAT: 300009798 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300009798
聯合目錄： 十二邊形 、十二角形 、shih erh pien hsing 、shí èr biān xíng 、shi er bian xing 、dodecagons 、dodecagon 、duodecagons 、twaalfhoeken 、twaalfhoek 、dodecaëders 、dodecágonos 、dodecágono