To say the longest word in the world, it takes 3, 5:00
Full name of protein Titina, consisting of its chemical components, including 189,819 letters and is considered the longest word in the world. You can even see the 3, 5-hour video where a guy says this word completely.
Titina, also known as connectin, the largest of the known peptides. It plays an important role in reducing the striated muscle but is known mainly thanks to its name. It begins with the "methionyl ..." and ends with "... isoleucine».
For obvious reasons, the full chemical name is not specified Titina practically in any dictionary. However, not all lexicographers consider names of chemical compounds words, calling them a verbal formula. From this point of view, a lively debate philologists are still ongoing.