: 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).
This Fact Sheet covers all the types of batteries that contain mercury, including button-cell batteries; the total amount of mercury in all of the batteries that were sold as new in the U.S. in 2001, 2004, and 2007; and companies that have phased-out the products' manufacture and sale.