Move aside, pneumonoultramicroscopicsilicovolcanoconiosis. At a mere 45 letters, you’re no longer the longest word in town. That title belongs to the miles-long name of something surprisingly small: a protein.
Sometimes called “titin,” this protein is the largest one we know of. Proteins are typically named after the chemicals that go into making them, so the names can sometimes be extremely long. However, no name beats this one at an insane 189,819 letters. If you try to pronounce every character, it would take you a little over 3 and 1/2 hours. However, pneumonoultramicro-scopicsilicovolcanoconiosis (which is what Merriam-Webster considered to be the longest word) might not be out of the race yet. Some don’t consider this 189,819 letter monster of a chemical name to be a word because it is just that – a chemical name. However, despite its disputed status as the longest word, I thought it was too cool and crazy not to share!
Here is just some of this word:
Methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc yllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylalanylvalylthreonylleucylgl ycylaspartylprolylglycylisoleucylglutamylglutaminylserylleucyllysylisoleucylaspartylthreonylleucylisoleu cylglutamylalanylglycylalanylaspartylalanylleucylglutamylleucylglycylisoleucylprolylphenylalanylseryla spartylprolylleucylalanylaspartylglycylprolylthreonylisoleucylglutaminylasparaginylalanylthreonylleucyl arginylalanylphenylalanylalanylalanylglycylvalylthreonylprolylalanylglutaminylcysteinylphenylalanylglu tamylmethionylleucylalanylleucylisoleucylarginylglutaminyllysylhistidylprolylthreonylisoleucylprolylisol eucylglycylleucylleucylmethionyltyrosylalanylasparaginylleucylvalylphenylalanylasparaginyllysylglycyli soleucylaspartylglutamylphenylalanyltyrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylaspa rtylserylvalylleucylvalylalanylaspartylvalylprolylvalylglutaminylglutamylserylalanylprolylphenylalanylarg inylglutaminylalanylalanylleucylarginylhistidylasparaginylvalylalanylprolylisoleucylphenylalanylisoleuc…
In case you’d like to read the whole word, you can find it here. If you’d rather hear someone pronounce it for 3 1/2 hours, you can find that video below!
Thanks for reading!