One of the mysteries of the English language finally explained.
1rare A series of pictures, photographs, etc., on a long strip of paper or card folded in alternate directions, so as to expand in a manner resembling an accordion's bellows (now rare).
2= accordion file.Related accordion file
Early 20th century; earliest use found in Printing Art Suggestion Book.
In this article we explore how to impress employers with a spot-on CV.