Steam vs Vapor

When to use each in English, with meaning, register, and examples.

 SteamVapor
MeaningWater vapor that comes from boiling water.A gas or mist that comes from a liquid.
CEFR levelB2B1
Part of speechnounnoun
Usage notesUsed in cooking or describing a process where water heats and turns to vapor. Not suitable for informal conversations unless describing specific activities like cooking.Use 'vapor' in scientific contexts or when discussing weather. Avoid informal settings.

Frequently asked questions: Steam vs Vapor

What's the difference between "Steam" and "Vapor"?

"Steam" means: Water vapor that comes from boiling water. "Vapor" means: A gas or mist that comes from a liquid.

When should I use "Steam" and "Vapor"?

They can all be used in everyday English.

Are "Steam" and "Vapor" the same CEFR level?

"Steam" is at B2, "Vapor" is at B1 on the CEFR scale.

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