metallic sulfide, 1690s, from Medieval Latin, from Greek hepar "liver" (see hepatitis); so called for its color.
Online Etymology Dictionary, © 2010 Douglas Harper
Examples from the Web for hepar
Pure sulphur hath no effect on Gold; but being combined with an alkali into a hepar sulphuris, it unites therewith very readily.Elements of the Theory and Practice of Chymistry, 5th ed.
Pierre Joseph Macquer
Ulcers and swelling on joints; promotes expulsion of splinters (Hepar).
- The liver.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.