ghost particle
n.— «Often called “ghost particles,” neutrinos have almost no mass, no charge and possess an extremely weak interacting force, which enables them to move through any type of matter, almost as if it wasn’t there.» —“Physicists say multi-million dollar experiment advancing smoothly” by Paroma Basu University of Wisconsin”“Madison Mar. 30, 2006. (source: Double-Tongued Dictionary)
Further reading
A Wisconsin wonders if anyone outside her family uses the word funsel, possibly spelled funcil, to denote “a single strand of leftover cobweb hanging from the ceiling.” That one may be all their own, but another word she asks about, gnurr, meaning...
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...