metallurgy a bath of molten salts in which steel can be immersed to soak to a uniform and accurately maintained temperature as part of the process of heat treatment. Different salts are used for different temperatures
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for salt bath
Historical Examples of salt bath
Tell the Captain that I have spent the day in a salt-bath, and mean to pass the night in my bed.Flora Lyndsay
Connected with the salt-works there is a salt-bath and whey-diet establishment.