How do you spell the full name of the protein titin?

Answer:
The full name of the largest known protein, titin, is 189,819 letters long, the longest IUPAC chemical name and often suggested as the longest English word (it is not, as it is a chemical formula).

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First answer by Dfoofnik. Last edit by Dfoofnik. Contributor trust: 2551 [recommend contributor recommended]. Question popularity: 2 [recommend question].
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