What is the longest word that only uses each letter once?

What is the longest word that only uses each letter once?

Uncopyrightable, with 15 letters and not a single one repeated.

What is the longest word in the world that takes 3 hours to say?

A man has been recorded spending more than three hours to pronounce what is supposedly the longest word in the English language. 'Methionylthreonylthreonylglutaminylarginyl isoleucine' is the chemical name of 'titin' (also known as 'connectin') – the largest known protein. It has 189,819 letters.

What word uses all 26 letters?

An English pangram is a sentence that contains all 26 letters of the English alphabet. The most well known English pangram is probably “The quick brown fox jumps over the lazy dog”.

How many letters are in Pneumonoultramicroscopicsilicovolcanoconiosis?

forty-five letters1 Pneumonoultramicroscopicsilicovolcanoconiosis (forty-five letters) is lung disease caused by the inhalation of silica or quartz dust.