Demystifying IQOS Pronunciation - How to Say & Spell It Right

Adult smokers looking to switch from cigarettes to smoke-free alternatives may or may not be familiar with IQOS. IQOS is Philip Morris International’s leading brand of heated tobacco products, which has become popular around the world with adult smokers.

IQOS is a smoke-free alternative to cigarettes that heats tobacco instead of burning it.  Because IQOS heats tobacco instead of burning it, you get tobacco taste and satisfaction but with 95% less harmful chemicals compared to cigarettes.*

Adult smokers who are looking for smoke-free alternatives can find out if IQOS is right for them with a £10 trial

IMPORTANT INFORMATION: It does not necessarily equal a 95% reduction in risk. IQOS is not risk-free.

*"95% less" represents the average reductions in levels of a range of harmful chemicals (excluding nicotine) compared to the smoke of a reference cigarette. See "Important information" on

What does IQOS stand for?

Many adult smokers may be wondering, what does IQOS stand for? IQOS is not an acronym, although it has been falsely labelled as such by some third parties. The name IQOS was chosen by Philip Morris International as a brand name for its leading range of heated tobacco products. It indicates the innovative technology behind the products, combined with the advanced science used in their creation. 

How do you spell IQOS?

There are a few common misspellings of IQOS - like IQOUS, IQUS, ICUS and IQOUS. IQOS is in fact spelt as ‘IQOS’ in all global markets and there are no other variations. 

How do you pronounce IQOS?

Common Mispronunciations

The name IQOS has a few common mispronunciations, and is often incorrectly pronounced as “eye-kose” or “eye-cus.”   

The Correct Pronunciation

IQOS is correctly pronounced as “eye-koss.”

Cultural and Linguistic Considerations

The pronunciation of IQOS may have slight variations across different languages and regions. However, it should be pronounced as “eye-koss” in all global markets. 

Practical Application

Knowing how to confidently say IQOS is beneficial for adult smokers or nicotine users. This is important when purchasing IQOS products in stores - like vape shops, service stations, supermarkets, and so on. Pronouncing IQOS correctly helps you to be easily understood and ensures you purchase the correct product. 

Now that you know how to pronounce and spell IQOS, next time you find yourself wondering about the product, you can confidently type in ‘IQOS’ into search engines and you will be directed to the correct results. Remember not to use IQUOS, IQUS, ICOS or IQOUS. For more information on the innovative alternative to smoking, read our guide on the IQOS approach to heat not burn technology

This article is for general information and educational purposes. Some of the information in this article is based on external, third-party sources and we make no representations or warranties of any kind regarding the accuracy, validity or completeness of such information.

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