一種透明樹脂物質，來自四個屬的幾種植物，共同點為具有血竭紅素（dracorubin）為主要紅色色素成分。龍血之形式可為紅色棒狀、塊狀或粉末狀，早在古羅馬時代便有買賣交易。可作為醫療上的收斂劑、中世紀手抄本插圖中的紅色著色劑，可用以為小提琴上清漆，可作為石膏、大理石和漆料的著色劑，也可作為照相製版中保護鋅板的抗酸劑。龍血的紅色在暴露於光及空氣時會褪色，但加上樹脂薄膜層可於某種程度上保護其色澤。

龍血(樹脂)　(P,,U,繁體中文-偏好,D,,)
麒麟血(,U,繁體中文-非偏好,UF,U,U)
lung hsüeh(P,,U,韋氏拼音-偏好,UF,U,U)
lóng xuè(P,,U,漢語拼音-偏好,UF,U,U)
long xue(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
dragon's blood(resin)　(P,,U,英文-偏好,D,U,N)
blood, dragon's(resin)　(,U,英文-非偏好,UF,U,N)
dragon blood(,U,英文-非偏好,UF,U,N)
dragonsblood(resin)　(,U,英文-非偏好,UF,U,N)
cinnaharis(,U,英文-非偏好,UF,U,N)
Drachenblut(P,,U,German-偏好,D,U,N)
drakenbloed(hars)　(P,,U,荷蘭語-偏好,D,U,U)
sang-dragon(P,,U,法語-偏好,D,U,N)
cinnabaris(,U,拉丁語-非偏好,UF,U,N)
sangre de dragón(P,,U,西班牙語-偏好,D,U,U)
sangre de drago(,U,西班牙語-非偏好,AD,U,U)

藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依成分區分之材料>
....................有機材料
........................樹脂
............................龍血 (樹脂)

meaning/usage overlaps with....	龐貝紅(顏料)
derived from....	紫檀屬(屬)
derived from....	省藤屬(屬)
derived from....	黃藤屬(屬)
derived from....	虎斑木屬(屬)

英文....	A transparent, resinous exudation, red in color, derived from several plants in 4 genera, having in common the primary red coloring component dracorubin. Dragon's blood is available as red sticks, cakes, or as a powder, and was traded as early as Roman times. It is used medicinally as an astringent, as a red colorant in medieval manuscript illuminations, to stain varnishes for violins, as a colorant for plaster, marble, and paints, and as a resist in photoengraving to protect zinc plates from acid. The red color is fugitive when exposed to light and air, but may be partially protected by a resin film layer.
荷蘭語....	Een rode harssoort die wordt gebruikt in fijne lak, textielverven en vernis; het wordt af en toe ook gebruikt als pigment.
西班牙語....	Tipo de resina roja utilizada en lacas finas, tinturas y barnices, utilizada también menos frecuentemente como pigmento.

龍血(樹脂)............	[AS-Academia Sinica]
.................	藝術名詞與技法辭典 138
.................	國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 December 18, 2009
.................	牛津當代大辭典 525
.................	朗文英漢雙解科技大辭典 500
dragon's blood(resin)............	[VP]
.................	Harley, Artists' Pigments c.1600-1835 (1982) 146
.................	Gettens and Stout, Painting Materials (1966) 111
.................	Newberry et al., Italian Renaissance Frames (1990) GLOS
.................	CDMARC Subjects: LCSH (1988-)
.................	Brady and Clauser, Materials Handbook (1977) 416
.................	Webster's Third New International Dictionary (1961)
.................	AATA database (1995-) 122949 checked 26 January 2012
blood, dragon's(resin)............	[VP]
.................	Getty Vocabulary Program rules
dragon blood............	[VP]
.................	MFA Conservation and Art Material Encyclopedia Online (2005-)
dragonsblood(resin)............	[VP]
.................	MFA Conservation and Art Material Encyclopedia Online (2005-)
cinnaharis............	[VP]
.................	Gettens and Stout, Painting Materials (1966) 111
Drachenblut............	[VP]
.................	MFA Conservation and Art Material Encyclopedia Online (2005-)
drakenbloed(hars)............	[Bureau AAT]
.................	AAT-Ned (1994-)
sang-dragon............	[VP]
.................	MFA Conservation and Art Material Encyclopedia Online (2005-)
cinnabaris............	[VP]
.................	MFA Conservation and Art Material Encyclopedia Online (2005-)
sangre de dragón............	[CDBP-DIBAM]
.................	Mayer, Materiales y técnicas del arte, 1985 59
.................	Rico y Martínez, Diccionario Técnico Akal de conservación y restauración de bienes culturales, español-alemán-inglés-italiano-francés (2003) 187
sangre de drago............	[CDBP-DIBAM]
.................	Bomford, Dunkerton, Gordon y Roy, La pintura italiana hasta 1400. Materiales, métodos y procedimientos de arte (1995) 31
Subject:............	[Bureau AAT]
.................	AATA database (1995-) 122949 checked 26 January 2012
.................	Van Dale Engels-Nederlands (1989)

Getty AAT: 300012929 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300012929
聯合目錄： 龍血 、麒麟血 、lung hsüeh 、lóng xuè 、long xue 、dragon's blood 、blood, dragon's 、dragon blood 、dragonsblood 、cinnaharis 、Drachenblut 、drakenbloed 、sang-dragon 、cinnabaris 、sangre de dragón 、sangre de drago