One of the mysteries of the English language finally explained.
A colloidal combination of protein and silver salts, used originally as an antiseptic and later chiefly as a stain for light and electron microscopy.
Late 19th century; earliest use found in The Lancet. From German Protargol from Prot- (in Protein) + classical Latin arg- + German -ol.
In this article we explore how to impress employers with a spot-on CV.