Dictionary.net

• A process for the recovery or regeneration of manganese dioxide in the manufacture of chlorine, by means of milk of lime and the oxygen of the air; - so called after the inventor.

2010 - New Age Dictionary Database
By Oddity Software

• A process for the recovery or regeneration of manganese dioxide in the manufacture of chlorine, by means of milk of lime and the oxygen of the air; - so called after the inventor.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.