The longest word in english language.

The word Pneumonoultramicroscopicsilicovolcanoconiosis is officially the longest word in English language. It means “a lung disease caused by the inhalation of very fine silica dust, mostly found in volcanos”.

So let’s break it down to understand it better:

  • pneumono = related to lungs (Latin, from Greek)
  • ultra = beyond (Latin, as in “ultraviolet”)
  • microscopic = extremely small (Latin/Old English, from Greek mikron, small, and skopos, view)
  • silico = silica (Latin)
  • volcano = volcano (Latin)
  • coni = related to dust (Greek: konis, dust)
  • osis = disease / condition (Greek)

It is cool to know about the longest word in english. But can you pronounce this 45-letter word in a single breath? 🙂

Shobhit Kumar Prabhakar

Shobhit Kumar Prabhakar

Shobhit Kumar Prabhakar, known online as GeekLord, is a software developer and the founder of Cyber Mitra Solutions in Lucknow, India. He has worked on websites, applications, and data systems since 2005, with experience spanning more than 800 web projects and over 600 survey instruments. His work includes custom WordPress themes and plugins, web applications, e-commerce, and multilingual field surveys built with ODK, SurveyCTO, KoboToolbox, and XLSForm. Survey projects involve skip logic, repeat groups, randomisation, validation, multimedia, and offline data collection. He also works on data cleaning, analytics, reporting, APIs, Linux and cloud deployments, and AI tools and automation using PHP, Python, and JavaScript. He holds a B.Tech in Information Technology from Uttar Pradesh Technical University and a diploma in Electrical Engineering from Hewett Polytechnic, Lucknow. On GeekLord.com, he shares practical guides, code, troubleshooting notes, and experiments in programming, web development, AI, and useful software, alongside photography and personal writing. His fuller background and project examples are on the About Shobhit page and shobhit.net.

17 technical comments on “The longest word in english language.”

  1. That is not the longest word ever recorded though. This word is 207,000 letters long and has only been printed once. It is another word forhuman mitochondrial DNA.

  2. This is hard! I can’t even pronounce this word……think about having to say it all in one breathe! Awesome!

    – Jennie Lin

  3. That is the only longest word I ever heard.I don’t believe that it has a word like this.
    WOW!!!! It is so NICE.

  4. that was my spelling word for 4th grade I got a cirtificate and everything for it. I can still spell it to this day and im in college now

  5. I could easily. If you put it down in those parts it makes it waay easier. Now I get to show off to my friends! Well, if I remember it. I’m going to try to pronounce a waaaay longer word with 1, 185 letters, but for now I’ll stick to this word to get used to long words. Thanks a lot!

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