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The longest known word in the world has a total of 189,819 letters.

"Methionylthreonylthreonylglutaminylarginyl...isoleucine" is the chemical name of titin.
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Okay. Maybe this word is the longest word in the world

The longest word in the world said to be ---> 'Methionylthreonylthreonylglutaminylarginyl...isoleucine' --> is the chemical name of 'titin" (also known as 'connectin"  which is the largest known protein. It has 189,819 letters.

Another longest word is --> Tweedehandsemotorverkoopsmannevakbondstakingsvergaderingsameroeperstoespraakskrywerspersverklaringuitreikingsmediakonferensieaankondiging (136 letters) --> which means issuable media conference's announcement at the press release regarding the convener's speech at a secondhand car dealership union's strike meeting.

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Okay. Maybe this word is the longest word in the world
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