B1noun 2K

Vapor

UK //ˈveɪpə// US //ˈveɪpər// Pronunciation

Definition

A gaseous state of a substance that is typically liquid at room temperature.

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In simple words: A gas or mist that comes from a liquid.

Examples

• The vapor from the boiling pot filled the kitchen.
• In winter, the vapor from your breath can be seen in the cold air.
• The scientist studied the properties of vapor in different temperatures.
• Seeing vapor rise from the lake in the morning is beautiful.
• Vapor can condense back into liquid under certain conditions.

Usage notes

Use 'vapor' in scientific contexts or when discussing weather. Avoid informal settings.

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Grammar pattern

standalone noun

Memory hint

Think of vapor as 'vague' mist floating in the air.

Collocations

• water vapor
• vapor pressure
• vapor trail
• vaporization process

Synonyms

• mist
• fume
• steam
• gas

Antonyms

• solid
• liquid

Common mistakes

• Confusing with 'steam' which is specifically from boiling water.
• Using 'vapor' for solid substances instead of gases.