The phrase "a vapour" is correct and usable in written English.
It can be used when referring to a visible gas or mist, often in scientific or poetic contexts.
Example: "The morning air was filled with a vapour that shimmered in the sunlight."
Alternatives: "a mist" or "a haze".
Heat is released when a vapour condenses.
Lawrence's guerrillas, by contrast, "might be a vapour".
The heat produces a vapour rather than harmful smoke.
E-cigarettes heat liquid nicotine to a vapour, which is inhaled.
There was not a vapour trail in the sky, no electricity pylons, no trails or roads.
Hot gases are circulated through the pipes, and the products are extracted mainly as a vapour.
RECENTLY some ruby, grown by a vapour-phase process, has been found to be orange coloured rather than the normal pink.
The growth of InAs NWs on graphite was proposed following a vapour-solid mechanism.
We take this to be indicative of a vapour-liquid solid (vapour-liquid solidsm [13].
At this critical point a vapour-liquid equilibrium can exist, the phenomena is clearly depicted in Fig. 1.
Chiller A machine that removes heat from a liquid via a vapour-compression or absorption refrigeration cycle.
