or·pi·ment

(ôr′pə-mənt)

Arsenic trisulfide, As₂S₃, a yellow mineral used as a pigment.

[Middle English, from Old French, from Latin auripigmentum : aurum, gold + pigmentum, pigment; see pigment.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

orpiment

(ˈɔːpɪmənt)

(Minerals) a yellow mineral consisting of arsenic trisulphide in monoclinic crystalline form occurring in association with realgar: it is an ore of arsenic. Formula: As2S3

[C14: via Old French from Latin auripigmentum gold pigment]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

orpiment - a yellow mineral occurring in conjunction with realgar; an ore of arsenic

As, atomic number 33, arsenic - a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar

mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition

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References in classic literature

It was circular in form, carpeted with mats of shining straw, ceiled with beams, enriched with fleurs-de-lis of gilded metal with interjoists in color; wainscoated with rich woods sown with rosettes of white metal, and with others painted a fine, bright green, made of orpiment and fine indigo.

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Now I remember comrades - Old playmates on new seas - Whenas we traded orpiment Among the savages.

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The breccias locally contain orpiment and realgar (arsenic sulfides), which are commonly found in many major Carlin-style gold deposits.

Timberline Resources Targets Confirmation, Delineation and Expansion of High Grade Gold Zone at Lookout Mountain, Nevada

Microscopic study for realgar and orpiment is planned for the interval containing greater than 10,000 ppm arsenic.

Getchell Gold Corp. Intersects Gold-Arsenic Zone at Hot Springs Peak Project

Naturally enough, carbon produces black lacquer; arsenic sulphide, known as orpiment, which is found in volcanic hot springs, produces yellow and mercury sulphide, the distinctive deep coral red of cinnabar.

RED ALERT; Beauty is in the eye of the beholder for cinnabar lacquer collectors

(01691) produces black lacquer; arsenic sulphide, known as orpiment, which is found in volcanic hot springs, produces yellow and mercury sulphide, the distinctive deep coral red of cinnabar.

RED ALERT; Beauty is in the eye of the beholder for cinnabar lacquer collectors

Arsenic minerals orpiment and realgar are reported from Chitral state.

INDUSTRIAL MINERAL DEPOSITS OF PAKISTAN: SIGNIFICANT FOR SUSTAINABLE DEVELOPMENT OF PAKISTAN

38, this element is present only in the red ink, suggesting the use of cinnabar with accessory minerals, such as realgar ([As.sub.4][S.sub.4]) and/or orpiment ([As.sub.2][S.sub.3]) [37].

Characterization and Digital Restauration of XIV-XV Centuries Written Parchments by Means of Nondestructive Techniques: Three Case Studies

It could also be coloured by the addition of carbon producing black; orpiment (arsenic sulphide) for yellow and cinnabar (mercury sulphide) the distinctive brick red, which quickly became preferred for carved pieces like Sotheby's dish.

No lacquer style here; antiques fair With Christopher Proudlove These charming objects demonstrate the art of Chinese craftsmen at their pinnacle

These rocks contain a range of ore minerals, including pyrite, arsenopyrite, marcasite, realgar, orpiment, cinnabar, and stibnite.

The Au-Hosting Minerals and Process of Formation of the Carlin-Type Bojitian Deposit, Southwestern China