The saturation vapor pressures of different substances vary.

The equilibrium vapor pressures of the two substances are different.

Mercury-vapor lamps are commonly used for street lighting.

The saturated vapor pressures of the two substances are significantly different.

Sodium vapor lamps are commonly used for street lighting.

Water vapors condense into clouds in the atmosphere.

She would often get the vapors and faint at the sight of blood.

I took the vaporetto to get to the other side of the canal.

The sun's heat can vaporise water into steam.

The process of vaporisation occurs when a liquid changes into a gas.