Dictionary.net

• An aqueous solution of arsenite of potassium, of such strength that one hundred parts represent one part of arsenious acid, or white arsenic; - named from Fowler, an English physician who first brought it into use.

2010 - New Age Dictionary Database
By Oddity Software

• An aqueous solution of arsenite of potassium, of such strength that one hundred parts represent one part of arsenious acid, or white arsenic; - named from Fowler, an English physician who first brought it into use.

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