由單一曲線所圍出的幾何平面圖形，圖形中心到線上每個點的距離均相等。

圓(P,,U,繁體中文-偏好,D,U,U)
yüan(P,,U,韋氏拼音-偏好,UF,U,U)
yuán(P,,U,漢語拼音-偏好,UF,U,U)
yuan(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
circles(plane figures)　(P,,U,英文-偏好,D,U,N)
circle(plane figure)　(,U,英文-非偏好,AD,U,N)
cirkels(vlakke figuren)　(P,,U,荷蘭語-偏好,D,U,U)
círculos(figuras planas)　(P,,U,西班牙語-偏好,D,U,PN)
círculo(figura plana)　(,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
................................圓

is basis of....

圓形的

英文....	Geometric plane figures bounded by a single curved line which is everywhere equally distant from the center of the figure.
荷蘭語....	Geometrische vlakke figuren die zijn begrensd door één gebogen lijn die zich overal even ver van het middelpunt van de figuur bevindt.
西班牙語....	Figura geométrica plana definida con una sola línea curva que es por todos lados igualmente distante del centro de la figura.

圓............	[AS-Academia Sinica]
.................	國立編譯館學術名詞資訊網 December 26, 2011
.................	中央研究院中英雙語知識本體詞網 December 26, 2011
.................	智慧藏百科全書網 December 26, 2011
.................	牛津當代大辭典 p. 309
yüan............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
yuán............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
yuan............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
circles(plane figures)............	[VP]
.................	RILA, Subject Headings (1975-1990) circles
.................	ROOT Thesaurus (1981) Circles (Geometry)
.................	Webster's Third New International Dictionary (1961) circles
.................	Random House Dictionary of the English Language (1987) circles
.................	Getty Vocabulary Program rules
.................	BHA Subject Headings (1985-) circles
circle(plane figure)............	[VP]
.................	Getty Vocabulary Program rules
cirkels(vlakke figuren)............	[Bureau AAT]
.................	AAT-Ned (1994-)
círculos(figuras planas)............	[VP]
.................	TAA database (2000-)
círculo(figura plana)............	[VP]
.................	Instituto Colombiano de Cultura, Bienes Culturales Muebles - Manual para Inventario (1991)
Subject:............	[AS-Academia Sinica]
.................	RIBA, Architectural Keywords (1982) Round buildings; Curves: in buildings
.................	Van Dale Engels-Nederlands (1989)

Getty AAT: 300055627 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300055627
聯合目錄： 圓 、yüan 、yuán 、yuan 、circles 、circle 、cirkels 、círculos 、círculo