[TheForge] Vapor/Gas (Was: Building a propane forge)

[Andy Vida]

GHS wrote:
> 
> Mike wrote:
> 
> > So "vapor" is the same as "gas" except when the engineers need to
> > highjack "vapor" so they can give a name to some stuff involved in a
> > messy, poorly understood dynamic process.
> 
> The term I was taught for refrigeration was "saturated vapor".
> Your suggested usage is consistent with that term. I can see it being
> reduced to just vapor in techtalk.

	Would I be in error to take this term to mean a vapor whose
	state is such that increases in pressure or decreases in
	temperature would cause a condensation to the liquid phase?