noun
: a solution made by adding litharge to sodium hydroxide solution and used in sweetening petroleum distillates (as naphtha) by reaction with any malodorous sulfur compounds (as mercaptans) present
noun
: a solution made by adding litharge to sodium hydroxide solution and used in sweetening petroleum distillates (as naphtha) by reaction with any malodorous sulfur compounds (as mercaptans) present
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012