adjective
definition
Of or pertaining to trivalent gold.
definition
Of, or pertaining to the ear; aural
definition
Pertaining to an aura.
Examples of auric in a Sentence
Auric sight is the ability to sense the colors of the auras of individuals.
Aurous iodide, Aul, is a light-yellow, sparingly soluble powder obtained, together with free iodine, by adding potassium iodide to auric chloride; auric iodide, Au13, is formed as a dark-green powder at the same time, but it readily decomposes to aurous iodide and iodine.
They are soluble in water and give characteristic precipitates with platinic and auric chlorides, and with potassium ferrocyanide.
When a concentrated solution of auric chloride is treated with caustic potash, a brown precipitate of auric hydrate, Au(OH) 3, is obtained, which, on heating, loses water to form auryl hydrate, AuO(OH), and auric oxide, Au 2 0 3.
Auric chloride, or gold trichloride, AuC1 3, is a dark rubyred or reddish-brown, crystalline, deliquescent powder obtained by dissolving the metal in aqua regia.
The potassium salt is obtained by crystallizing equivalent quantities of potassium and auric chlorides.
Auric chloride combines with the hydrochlorides of many organic bases - amines, alkaloids, &c. - to form characteristic compounds.
Water decomposes it into gold and auric chloride.
Auric cyanide, Au(CN) 3, is not certainly known; its double salts, however, have been frequently described.
Potassium auricyanide, 2KAu(CN) 4.3H 2 O, is obtained as large, colourless, efflorescent tablets by crystallizing concentrated solutions of auric chloride and potassium cyanide.
Sodium aurothiosulphate, 3Na 2 S 2 O 3 Au2S203.4H20, forms colourless needles; it is obtained in the direct action of sodium thiosulphateongoldinthe presence of an oxidizing agent, or by the addition of a dilute solution of auric chloride to a sodium thiosulphate solution.
They form characteristic compounds with mercuric and auric chlorides.
It forms addition compounds with mercuric and auric chlorides.
Aurous oxide, Au 2 0, is obtained by cautiously adding potash to a solution of aurous bromide, or by boiling mixed solutions of auric chloride and mercurous nitrate.
With concentrated ammonia auric oxide forms a black, highly explosive compound of the composition AuN2H3.3H20, named " fulminating gold "; this substance is generally considered to be Au(NH 2)NH.
The auric chloride is, however, decomposed at the elevated temperature into finely divided metallic gold, which is then readily attacked by the chlorine gas.
James Bond-with gadgets, of course-is out to stop "Operation Grand Slam," Auric Goldfinger's plot to break into Fort Knox to destroy the economy.