cuprous
31copper oxide — noun an oxide of copper • Hypernyms: ↑oxide * * * noun : any oxide of copper: as a. : the oxide Cu2O that occurs naturally as cuprite and is obtained as red or yellow crystals or powder by oxidation of copper in a furnace or by electrolysis and… …
32copper chloride — noun : a chloride of copper: a. : a white poisonous powder CuCl made by reducing cupric chloride and used chiefly as a catalyst and as an absorbent of carbon monoxide called also copper(I) chloride, cuprous chloride b. : a yellowish brown… …
33Fehling's solution — is a solution used to differentiate between water soluble aldehyde and ketone functional groups, although ketose monosaccharides (such as fructose) will also test positive, due to conversion to aldoses by the base in the reagent [ [http://www.uni …
34Copper(I) iodide — IUPAC name Copper(I) iodide …
35Copper(I) phosphide — IUPAC name copper(I) phosphide …
36Cold water pitting of copper tube — occurs in only a minority of installations. Copper water tubes are usually guaranteed by the manufacturer against manufacturing defects for a period of 50 years. The vast majority of copper systems far exceed this time period but a small minority …
37Rosenmund-von Braun synthesis — The Rosenmund von Braun synthesis is an organic reaction in which an aryl halide reacts with cuprous cyanide to an aryl nitrile.cite journal title = Das am Ringkohlenstoff gebundene Halogen und sein Ersatz durch andere Substituenten. I.… …
38hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
39luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …
40Medieval stained glass — is the coloured and painted glass of medieval Europe from the 10th century to the 16th century. For much of this period stained glass windows were the major pictorial art form, particularly in northern France, Germany and England, where windows… …
