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I know the longest word but not the longest word that does not contain the same letter twice.So what is it?

the longest word is hmmm lol
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There is a tie for longest words that can be spelled using unique chemical symbols: “HYPErCoAgULaBiLiTiEs” and “HYPErCoNScIOUSnEsSeS”
that's longest what do you mean sir ......?
Now these are all "words" but the longest technically "real" word is floccinaucihilipilification
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the formula for C1289H2051N343O375S8!Emotion: big smile
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