411 REFERENCE · Wiktionary
Pattinson's process
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en Pattinson process
Etymology
Invented in 1833 by Hugh Lee Pattinson, an English metallurgist.
Proper noun
A process of desilverizing argentiferous lead by repeated meltings and skimmings, which concentrate the silver in the molten bath, the final skimmings being nearly pure lead.
en eponyms