plyometrics
n.— «Plyometrics found its way into the American vernacular in the late 80s when it was discovered that it was the secret to the Russian’s success in the Olympics.» —“How I spent my summer vacation” by Brady Aymond The Advertiser (Lafayette, La.) June 27, 2004. (source: Double-Tongued Dictionary)
Further reading
Diamond dust, tapioca snow, and sugar icebergs — a 1955 glossary of arctic and subarctic terms describes the environment in ways that sound poetic. And a mom says her son is dating someone who’s non-binary. She supports their relationship, but...
The word dezzick is defined in an 1875 dictionary of the Sussex dialect as “a day’s work.” This is part of a complete episode.
Related