arsenic trisulphide

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• arsenic — (n.) late 14c., from O.Fr. arsenic, from L. arsenicum, from late Gk. arsenikon arsenic (Dioscorides; Aristotle has it as sandarake), adapted from Syriac (al) zarniqa arsenic, from Middle Persian zarnik gold colored (arsenic trisulphide has a… …   Etymology dictionary

• arsenic — [14] The term arsenic was originally applied to the lemon yellow mineral arsenic trisulphide, and its history reveals the reason: for its appears to be based ultimately on Persian zar ‘gold’ (related forms include Sanskrit hari ‘yellowish’, Greek …   The Hutchinson dictionary of word origins

• arsenic — [14] The term arsenic was originally applied to the lemon yellow mineral arsenic trisulphide, and its history reveals the reason: for its appears to be based ultimately on Persian zar ‘gold’ (related forms include Sanskrit hari ‘yellowish’, Greek …   Word origins

• zarnich — /zärˈnik/ noun A naturally occurring sulphide of arsenic, such as orpiment (arsenic trisulphide) or realgar (arsenic monosulphide) (also zarˈnec) ORIGIN: Ar zarnīkh …   Useful english dictionary

• orpiment — n. 1 a mineral form of arsenic trisulphide, formerly used as a dye and artist s pigment. Also called yellow arsenic. 2 (in full red orpiment) = REALGAR. Etymology: ME f. OF f. L auripigmentum f. aurum gold + pigmentum pigment …   Useful english dictionary

• De Havilland Firestreak — Firestreak Type air to air Place of origin United Kingdom …   Wikipedia

• orpiment — noun /ˈɔːpɪmənt/ arsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment …   Wiktionary

• Orpiment — A yellow pigment, composed largely of arsenic trisulphide. [< Lat. aurum = gold + pigmentum = colour] Cf. Realgar …   Dictionary of Medieval Terms and Phrases

• orpiment — [ ɔ:pɪm(ə)nt] noun a bright yellow mineral consisting of arsenic trisulphide, formerly used as a dye and artist s pigment. Origin ME: via OFr. from L. auripigmentum, from aurum gold + pigmentum pigment …   English new terms dictionary

• orpiment — /ˈɔpəmənt/ (say awpuhmuhnt) noun a mineral arsenic trisulphide, As2S3, found usually in soft yellow foliated masses, used as a pigment, etc. {Middle English, from Old French, from Latin auripigmentum gold pigment} …