If you’re on tenterhooks, it means you’re in a state of anxious anticipation or suspense. But what IS a tenterhook? The answer goes back to a 15th-century manufacturing process. Also, you probably have a term for those crumbs that...
Pie charts were invented by the Scottish engineer William Playfair, but the name for these visual representations of data came later. In other countries, this type of graph goes by names for other round foods. In France, a pie chart is sometimes...