How to Say "vapor" in Spanish
The most common Spanish word for “vapor” is “vapor” — use 'vapor' when referring to the general gaseous state of a substance, like steam from a kettle or boiling water.
bah-PORbaˈpoɾ

Examples
El vapor que sale de la tetera está muy caliente.
The steam coming out of the kettle is very hot.
El aire acondicionado crea un vapor frío en la habitación.
The air conditioner creates a cold vapor in the room.
La olla a presión suelta mucho vapor.
The pressure cooker releases a lot of steam.
Gender Check
Remember that 'vapor' is masculine, so always use 'el' (el vapor) and masculine adjectives (vapor caliente).
gasɡas

Examples
El aire que respiramos es una mezcla de gases.
The air we breathe is a mixture of gases.
El gas helio hace que los globos floten.
Helium gas makes balloons float.
Masculine Noun Rule
Even though 'gas' ends in 's', it is a masculine noun. Always use 'el' or 'un' with it: 'el gas'.
Choosing Between 'Vapor' and 'Gas'
Learners often confuse 'vapor' and 'gas'. Remember that 'vapor' specifically refers to the gaseous state of a substance that is normally liquid or solid at room temperature (like water vapor). 'Gas' is a broader term for any substance in its gaseous state.
Related Translations
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