: to make (something) more attractive usually by putting something on it.
There are several types of mercury. They include metallic mercury, and both inorganic and organic mercury compounds. Many of these forms are found in our environment, however, the most common natural forms include metallic mercury, mercury sulfide, mercuric chloride, and methylmercury (http://www.atsdr.cdc.gov/toxprofiles/tp46.html).
Most of them are colorless or yellow. 1  Mercury(I) bromide, insouble white solid. 2  Mercury(I) chloride, calomel, insoluble, white. 3  Mercury(I) fluoride, light yellow. 4  Mercury(I) iodide, a little soluble, unstable, yellow. 5  Mercury(I) nitrate, very slightly soluble, white. 6  Mercury(I) sulfate, light yellow solid.