Definition of "mercuric chloride" []

• A poisonous white crystalline compound, HgCl2, used as an antiseptic and a disinfectant, in insecticides, preservatives, and batteries, and in metallurgy and photography. Also called corrosive sublimate. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.