Originally Posted by narphoenix
The longest word in the English dictionary is pneumonoultramicroscopicsilicovolcanokoniosis at 45 letters. An 8 year old I know knows that.
Two things: the "word" in question is defined (no pun intended) as a chemical formula, not a word. And second, the formula in question is 189819 letters long.
I trust you counted all those out and aren't looking this up on Wikipedia? ;)