One of the mysteries of the English language finally explained.
An aluminosilicate of potassium, other alkali metals, and magnesium which is a variety of, or perhaps a mixture containing, muscovite.
Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Onkosin from ancient Greek ὄγκωσις swelling, in allusion to its behaviour when heated in a blowpipe flame + German -in.
In this article we explore how to impress employers with a spot-on CV.