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.
Another common belief is that Marvel Comics were wordier than DC Comics. Certainly Stan Lee seemed to have been vaccinated with a fountain pen. So I picked an issue of Spiderman at random (ASM #56 as it happens) and actually counted the words. There were 3,288 words on 20 pages, or an average of 164 words per page.