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
Among biologists, a frog’s croak is known as an advertisement call. It’s a male frog’s way of making himself known. A Wisconsin listener says children in her area learn that this sound is jugarum, jugarum. Poet and editor Willard Espy punningly...
Jackie in Wausau, Wisconsin, says her family used an odd word whenever someone took a sip and choked. She’s not seen it in print but suspects it’d be spelled something like furschluk. The family’s word is likely adapted from German verschlucken...