B2 noun #4,000 most common 2 min read

el combustible

When talking about fuel in Spanish, the most common and practical word you'll use is "el combustible." This term covers a broad range of materials like gasoline, diesel, natural gas, and even coal, which are burned to produce energy.

For instance, if you're at a gas station, you might ask, "¿Dónde puedo cargar combustible?" (Where can I fill up with fuel?) or refer to the type of fuel needed for a vehicle as "combustible sin plomo" (unleaded fuel). It's a versatile word essential for discussing transportation, energy, and even cooking in many contexts.

§ Mistakes people make with this word

Even though 'el combustible' seems straightforward, there are a few common errors English speakers make. Let's look at them so you can avoid them and sound more natural when speaking Spanish.

§ Using 'combustible' as an adjective

In English, 'combustible' can be an adjective (e.g., 'combustible materials'). In Spanish, 'el combustible' is almost exclusively a noun. If you want to describe something as 'flammable' or 'easily burned,' you need a different word.

Incorrect
Materiales combustibles.
Correct
Materiales inflamables / Materiales combustibles (as in, materials that are fuel).

While 'combustible' *can* sometimes be used as an adjective, it's far less common and usually refers to something *that serves as fuel*, not just something that can burn. Stick to 'inflamable' for 'flammable.'

§ Confusing 'el combustible' with 'gasolina' or 'gas'

'El combustible' is a general term for fuel. While gasoline and gas are types of fuel, they are not interchangeable with 'el combustible' in all contexts. Think of it like this:

  • 'El combustible' is like 'fuel' in English.
  • 'La gasolina' is like 'gasoline' or 'petrol.'
  • 'El gas' can refer to natural gas, propane, or even just 'gas' as in a gaseous state.

You wouldn't say, "I need to put fuel in my car" if you specifically meant gasoline. You'd say "I need to put gasoline in my car." The same applies in Spanish.

Necesito echar combustible al coche. (I need to put fuel in the car.)

This is generally fine, but if you're at a gas station and want to specify, you'd use 'gasolina'.

Necesito llenar el tanque de gasolina. (I need to fill the gas tank.)

§ Incorrect Gender Agreement

'El combustible' is a masculine noun. This means any adjectives or articles used with it must also be masculine. While this might seem basic, it's a very common slip-up for learners.

Incorrect
La combustible es caro. (The fuel is expensive.)
Correct
El combustible es caro. (The fuel is expensive.)

Necesitamos combustible nuevo. (We need new fuel.)

By being mindful of these distinctions, you'll use 'el combustible' correctly and enhance your fluency in Spanish. Keep practicing, and you'll master it in no time!

Fun Fact

The root 'comburere' means 'to burn up entirely' in Latin, highlighting the complete consumption of fuel.

Word Origin

Latin 'combustibilis'

Original meaning: that which can be burned

Indo-European (Italic branch)

Cultural Context

When traveling in Spanish-speaking countries, you'll frequently see 'gasolina' for petrol and 'diésel' for diesel fuel at filling stations, but 'combustible' is the overarching term for any type of fuel. It's a very practical word to know, especially if you're driving or discussing energy sources.

Test Yourself 36 questions

fill blank A1

Yo necesito poner ___ en el coche.

Correct! Not quite. Correct answer: gasolina

To move a car, you need fuel, which is 'gasolina' in Spanish.

fill blank A1

El avión usa mucho ___ para volar.

Correct! Not quite. Correct answer: combustible

Airplanes need 'combustible' (fuel) to fly.

fill blank A1

Mi padre trabaja con ___ para calentar la casa.

Correct! Not quite. Correct answer: madera

To heat a house, 'madera' (wood) can be used as fuel.

fill blank A1

El autobús necesita ___ para ir por la ciudad.

Correct! Not quite. Correct answer: combustible

Buses need 'combustible' (fuel) to travel around the city.

fill blank A1

Las estufas viejas usaban ___ para cocinar.

Correct! Not quite. Correct answer: carbón

Old stoves used 'carbón' (coal) as fuel for cooking.

fill blank A1

Para hacer fuego, a veces usamos ___.

Correct! Not quite. Correct answer: madera

To make fire, we often use 'madera' (wood) as fuel.

multiple choice A1

Choose the best translation for 'el combustible':

Correct! Not quite. Correct answer: fuel

In Spanish, 'el combustible' means 'fuel'.

multiple choice A1

Which of these is 'el combustible'?

Correct! Not quite. Correct answer: Gasolina (Gasoline)

Gasoline is a type of fuel, or 'combustible'.

multiple choice A1

My car needs 'el combustible'. What does it need?

Correct! Not quite. Correct answer: Something to burn for power

Cars need fuel ('el combustible') to run, which is burned to produce power.

true false A1

Is 'el combustible' used to make a car go?

Correct! Not quite. Correct answer: True

Yes, 'el combustible' (fuel) is what powers a car.

true false A1

Is a sweater 'el combustible'?

Correct! Not quite. Correct answer: False

No, a sweater is clothing, not 'el combustible' (fuel).

true false A1

Can wood be 'el combustible' for a fire?

Correct! Not quite. Correct answer: True

Yes, wood can be burned to produce heat, making it 'el combustible'.

sentence order A2

Tap words below to build the sentence
Correct! Not quite. Correct answer: El coche necesita combustible

To say 'The car needs fuel', we arrange the words as 'El coche necesita combustible'.

sentence order A2

Tap words below to build the sentence
Correct! Not quite. Correct answer: Usamos gas para cocinar

To say 'We use gas to cook', we arrange the words as 'Usamos gas para cocinar'.

sentence order A2

Tap words below to build the sentence
Correct! Not quite. Correct answer: El combustible es muy caro hoy

To say 'Fuel is very expensive today', we arrange the words as 'El combustible es muy caro hoy'.

multiple choice B2

Choose the best translation for 'el combustible' in the following sentence: 'El coche necesita más combustible para seguir.'

Correct! Not quite. Correct answer: The car needs more fuel to continue.

In this context, 'combustible' directly translates to 'fuel,' which is what a car consumes.

multiple choice B2

Which of the following is NOT a type of 'combustible'?

Correct! Not quite. Correct answer: Agua (Water)

Water is not a material burned to produce heat or power; gasoline, coal, and diesel are.

multiple choice B2

In which situation would you most likely hear the word 'combustible'?

Correct! Not quite. Correct answer: Filling up your car at a gas station.

Gas stations sell fuel, which is 'combustible' in Spanish.

true false B2

El combustible es siempre un líquido.

Correct! Not quite. Correct answer: False

Combustible can be solid (like coal), liquid (like gasoline), or gas (like natural gas).

true false B2

La madera puede ser un tipo de combustible.

Correct! Not quite. Correct answer: True

Wood is burned to produce heat, making it a type of fuel or 'combustible'.

true false B2

Usamos el combustible para enfriar las cosas.

Correct! Not quite. Correct answer: False

Combustible is used to produce heat or power, not to cool things down.

fill blank C1

Los avances en la tecnología de vehículos eléctricos buscan reducir la dependencia de los ___ fósiles.

Correct! Not quite. Correct answer: combustibles

The sentence discusses reducing dependence on fossil fuels, so 'combustibles' (fuels) is the correct word.

fill blank C1

La escasez de ___ en la región ha provocado un aumento significativo en los precios de la gasolina.

Correct! Not quite. Correct answer: combustible

The sentence talks about a shortage leading to increased gasoline prices, making 'combustible' (fuel) the appropriate word.

fill blank C1

Las nuevas regulaciones ambientales exigen que los aviones utilicen un ___ más limpio para reducir las emisiones.

Correct! Not quite. Correct answer: combustible

The context is about cleaner emissions from airplanes, so 'combustible' (fuel) is the correct choice.

fill blank C1

Para viajes largos, es fundamental verificar el nivel de ___ en el tanque antes de salir.

Correct! Not quite. Correct answer: combustible

When preparing for long trips, it's essential to check the 'combustible' (fuel) level.

fill blank C1

La industria del transporte marítimo está explorando alternativas al ___ pesado para sus embarcaciones.

Correct! Not quite. Correct answer: combustible

The sentence refers to finding alternatives to heavy fuel for maritime transport, so 'combustible' is correct.

fill blank C1

El generador de emergencia requiere ___ diésel para funcionar durante un corte de energía.

Correct! Not quite. Correct answer: combustible

An emergency generator needs diesel 'combustible' (fuel) to operate during a power outage.

listening C1

The price of fuel has risen dramatically this year.

Correct! Not quite. Correct answer: El precio del combustible ha subido drásticamente este año.
Correct! Not quite. Correct answer:
listening C1

We need to find alternatives to fossil fuel to protect the environment.

Correct! Not quite. Correct answer: Necesitamos encontrar alternativas al combustible fósil para proteger el medio ambiente.
Correct! Not quite. Correct answer:
listening C1

The ship ran out of fuel in the middle of the ocean.

Correct! Not quite. Correct answer: El barco se quedó sin combustible en medio del océano.
Correct! Not quite. Correct answer:
speaking C1

Read this aloud:

El combustible es esencial para el transporte moderno.

Focus: esencial

Correct! Not quite. Correct answer:
speaking C1

Read this aloud:

¿Crees que los coches eléctricos son el futuro del combustible?

Focus: eléctricos

Correct! Not quite. Correct answer:
speaking C1

Read this aloud:

El reactor nuclear utiliza combustible uranio.

Focus: uranio

Correct! Not quite. Correct answer:

/ 36 correct

Perfect score!

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