Vapor is the gas form of a liquid or solid that we can see in the air. It often appears as mist or steam when warm liquid changes to gas.
Water vapor rises from the hot cup.
Steam is a type of vapor from boiling water.
Vapor can mean small drops of water in the air, which make the air moist. You can see this especially in the morning or near water.
There is vapor in the morning air.
The cold glass has some vapor on it.
As a verb, to vapor means to change a liquid into gas, often by heat. This process is called vaporizing or evaporating.
The sun vaporizes water quickly.
Heat will vaporize the liquid fast.
Vapor can mean a small, visible cloud made of tiny particles like smoke or smell in the air. It looks like a faint fog or mist.
A vapor of smoke came from the fire.
The room had a vapor of perfume.
In modern use, vapor means the cloud or smoke-like substance from electronic cigarettes or vaping devices. It is not smoke from fire, but an aerosol.
He exhales vapor from his e-cigarette.
Vapor clouds form when people vape indoors.
Vapor can be used in a poetic or figurative way to mean something unreal, like a dream or idea that disappears quickly, like a cloud of gas.
His hopes were just vapor in the wind.
The promise faded like vapor in air.
