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Aluminum vs. Aluminum—Which is Correct? (Grammar + Examples)

Is it aluminum or aluminum? Are you wondering what that foil that you use to wrap your food called is? Should you pronounce it as an Aluminium foil or an Aluminum foil? 

Well, let us look at the definitions of both words to clear the confusion up.

Differences between alumninium and aluminum

1) Aluminum

The thirteenth element on the periodic table, Aluminum, is a thin silver-metallic element. It is highly reflective and commonly used as a foil to wrap food and cover substances. It is also highly conductive, oxidation resistant, and has numerous practical applications. 

2) Aluminium

Aluminium is the same as Aluminum. Except for the difference in spellings, both words refer to the same thirteenth chemical element on the periodic chart. It is the same ordinary metallic element that is found in our kitchen appliances, salon, and so on. 

WordUse
AluminumAmerican English
AluminiumBritish English

If aluminum and aluminium mean the same, why do we have two different spellings?

This confusion of spellings is not unique to these two words and is certainly not a new concept. There are discrepancies in spelling for several other words throughout the English-speaking class. For example – Familiarize/Familiarise, Enroll/Enrol, etc. 

Aluminum vs aluminium
Aluminum vs aluminium

Correct spelling of aluminum

What is the right way of spelling this silver-colored metal? 

There is no right way of spelling this element. Both Aluminum and Aluminium are etymologically correct spellings and are equally valid. However, each spelling is popular in different parts of the world. 

History of aluminimum or aluminum

Sir Humphry Davy, a chemist in the 19th century, was determined to isolate this element that abundantly exists on Earth in the form of compounds and wished to call it ‘Alumium.’ Until then, the word Alumina, which refers to the oxide of Aluminum, was predominately used for the compound. 

But unconvinced, Davy soon changed the name of this element to Aluminum. Since most chemical elements classically end with the term -ium (potassium, helium), other chemists of that time were tempted to adopt the word Aluminium to conform to the analogy of other elements. 

Popularity of each word

Scientifically, the most preferred word for this metal across the globe is Aluminium, mainly because of the suffix ‘-ium’ at the end. However, The American Chemical Society and the International Union of Pure and Applied Chemistry have adopted the words Aluminum and Aluminium, respectively. So the question finally boils down to what you are comfortable calling it and how you grew up spelling the word. 

Natively, Aluminum is popular in North America, and Aluminium is more common in the UK and most of the other English-speaking parts of the world. Lately, the US has progressed to adopt Aluminum over Aluminium because of the repeated occurrence of the word in daily operations.

Sentence examples using aluminum and aluminium

1) Our new house has Aluminum roof panels and siding. 

2) Aluminium is the thirteenth element on the periodic table.

3) Mr. Albert uses Aluminum foil to cover his food before popping it in the microwave oven. 

4) Miss Katty wants to find out the price of Aluminium cladding for her new office space.

5) Aluminum is a good conductor of electricity and is used for electrical transmissions. 

Conclusion

Aluminum or Aluminum, the right way of spelling this word is however you would like to spell it. Unless you want to be careful of the use of this word in different geographies, you can be assured that both spellings are logical and accepted. The single-letter difference in both words is as good as non-existent.

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About the author

Dalia Y.: Dalia is an English Major and linguistics expert with an additional degree in Psychology. Dalia has featured articles on Forbes, Inc, Fast Company, Grammarly, and many more. She covers English, ESL, and all things grammar on GrammarBrain.

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