pyrotron

English

Etymology

From pyro- +‎ -tron.

Noun

pyrotron (plural pyrotrons)

1. (physics) A magnetic mirror.
2. A notional subatomic particle invented to explain cases of human spontaneous combustion.
   • 2005, James H. Hall, Practically Profound, page XIX:

     Spontaneous combustion may sound like “no cause at all;” but it isn't, except, perhaps, for people who allegedly ignite while watching TV. Actually, even for that kind of urban myth, causation is presumed: pyrotrons, of course.