hypar
n.— «Saturday, June 9, Cleveland offered members of ITSA an opportunity to examine a model of a hyperbolic paraboloid, which is sometimes called a hypar, by coming to Spring Valley to see some of the alternative building methods in the southeastern Minnesota area.» —“Alternative building methods on display in area” by Mary Whalen Spring Valley Tribune (Minnesota) June 20, 2007. (source: Double-Tongued Dictionary)
Further reading
We use the term Milky Way for that glowing arc across the sky. But how people picture it varies from culture to culture. In Sweden, that starry band goes by a name that means “Winter Street,” and in Hawaii, a term for the Milky Way...
The words tough, through, and dough all end in O-U-G-H. So why don’t they rhyme? A lively new book addresses the many quirks of English by explaining the history of words and phrases. And: have you ever been in a situation where a group makes...