On Dec 3, 7:59*pm, Art Unwin wrote:

As far as the "soot" term being presently bandied around, it is an
adjective which describes the chemical effects of combustion. Only
those old in the tooth or unfamilier with physics describe it solely
as a product of burning coal and nothing else!

Does your meaning of combustion encompass nuclear fusion?

http://unwinantennas.com/



This is similar to the use of "waves" in physics with respect to
particles. One is a noun,*where the other is a adjective that describes the action of same.

Wavy?