The word "vapours" is correct and usable in written English.
It is an older word for "vapors" or a gaseous substance that is given off by certain liquids or solids when they are heated. You can use it in the context of describing a physical process or chemical reaction. For example, "When the acid was heated, the air was filled with vapours."
Gas could, indeed, prove fatal: graveyard workers who broke into bloated coffins were occasionally suffocated by the release of "cadaverous vapours".
Then a salty solution, commonly containing lithium bromide, absorbs the refrigerant vapours.
Plutarch, a historian who was also high priest at the temple of Apollo, in Delphi, describes the sweet-smelling vapours that the priestess who spoke the oracles inhaled in her cubby-hole under the temple.Modern historians are more sceptical.
Archaeological excavations in the 19th century failed to find the "chasm" from which these vapours are supposed to have risen.
As it ran through the building, Asia's largest prison and one of its worst, other prisoners gathered to inhale the wafting vapours, the true scent of royalty.
Journalists and fans who claim to be shocked, shocked that such a programme could ever exist echo similar figures who also got the vapours when it was revealed that baseball players used steroids.
Pedestrians and traffic policemen mask their mouths in a vain attempt to keep out the fetid vapours.
Tests also indicate that methane, an explosive gas, is in vapours near the spill.
What is known is that by the ninth century Arab authors such as Jaber bin Hayyan, an Iraqi polymath best known for elaborating al-jabr or algebra, were describing "flammable vapours" at the mouths of heated wine vessels.His contemporary, the legendary poet and lush Abu Nawas (who died in 815AD), was less prim.
If sparks do ignite vapours, flames may not spread because the mesh restricts airflow.
New developments would make cooling systems greener still because they would use less power.Most air-conditioners using refrigerants consume lots of electricity because they employ mechanical compressors, which are piston-like machinery that squeeze the heated vapours.
