One of the mysteries of the English language finally explained.
Of a mineral constituent in a rock: having its own characteristic crystal form.
Late 19th century; earliest use found in Geological Magazine. From idio- + -morphic, after German idiomorph or its apparent model French idiomorphe. Compare Hellenistic Greek ιδιόμορϕος of peculiar form.
In this article we explore how to impress employers with a spot-on CV.