How do you pronounce the longest word in English?

You're likely thinking of pneumonoultramicroscopicsilicovolcanoconiosis, which is often cited as the longest word in the English language.

It's pronounced:

noo-MŌ-nō-ul-truh-mi-krō-SKOP-ik-sil-i-kō-vol-KĀ-nō-kō-nī-Ō-sis

Let's break it down:

* Pneumono-: Relating to the lungs

* Ultra-: Extremely

* Microscopic-: Very small, visible only under a microscope

* Silico-: Relating to silica (a component of glass and sand)

* Volcano-: Relating to volcanoes

* Coniosis-: A condition caused by dust in the lungs

It's a mouthful! While the word is technically the longest, it's a medical term rarely used in everyday conversation.