gases
GAH-sehs
/ˈɡases/
Gases can refer to substances like air or colorful vapors.
gases(Noun)
gases
?plural form of gas; substances like air
fumes
?exhaust or strong-smelling vapors
📝 In Action
El aire es una mezcla de diferentes gases.
A2Air is a mixture of different gases.
Los gases del escape de los coches contaminan la ciudad.
B1The exhaust fumes from cars pollute the city.
💡 Grammar Points
Plural endings
Since the singular word 'gas' ends in a consonant, we add '-es' to make it plural: 'gases'.
⭐ Usage Tips
Science vs. Street
In a lab, 'gases' refers to chemistry. In the street, it often refers to pollution or car exhaust.

In a different context, 'gases' can refer to intestinal gas.
gases(Noun)
gas
?intestinal gas or flatulence
bloating
?the physical feeling of trapped air in the stomach
📝 In Action
Me duele el estómago porque tengo muchos gases.
B1My stomach hurts because I have a lot of gas.
Hay comidas que producen muchos gases.
B1There are foods that produce a lot of gas.
💡 Grammar Points
Singular vs. Plural
While English speakers often say 'I have gas' (singular), Spanish speakers almost always use the plural 'tengo gases'.
⭐ Usage Tips
Polite conversations
The word 'gases' is the standard, polite way to talk about digestion. It is much more acceptable than slang words for 'farting'.
✏️ Quick Practice
Quick Quiz: gases
Question 1 of 1
If someone says 'Me siento mal, tengo gases,' what are they most likely experiencing?
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Frequently Asked Questions
Is 'gases' ever used as a verb?
Technically, yes. It is a form of the rare verb 'gasar' (to treat with gas), but you will almost never hear it used this way in normal conversation. It is 99% used as the plural of the noun 'gas'.
Can I use 'gases' to talk about the gas I put in my car?
Not usually. For fuel, Spanish speakers use 'gasolina' (gasoline) or 'gasoil' (diesel). 'Gases' usually refers to the physical state of matter or digestive air.