One of the mysteries of the English language finally explained.
1A greyish-green powder consisting of a basic iodide and gallate of bismuth, used chiefly as a topical antiseptic, either in solid form or as an ointment.
Late 19th century; earliest use found in The Lancet. From German Airol, apparently an arbitrary formation. Compare:2 apparently independently reintroduced for a different and unrelated substance.
In this article we explore how to impress employers with a spot-on CV.