Nerve gas, Weapon of chemical warfare that affects the transmission of nerve impulses through the nervous system.
According to Ryan Compton's Infinite Jest by the Numbers, Wallace used a vocabulary of 20,584 unique words to write the 577,608-word Infinite Jest. 10. 11. n+1 has a neat story about where the name for Michael Pemulis, Hal's drug-dealing friend at Enfield Tennis Academy, came from.
The word antidisestablishmentarianism is notable for its unusual length of 28 letters and 12 syllables (an-ti-dis-es-tab-lish-men-tar-i-an-is-m), and is one of the longest words in the English language.