Longest word in english

Tatiana Ayazo/rd.com “I know the longest word in the whole English language,” Jimmy tells Jenny by the playground swings. “It’s antidisestablishmentarianism.” Jenny slurps up the last of her juice box, unimpressed. “Is that all?” she claps back. “Well I know an even longer word.” She sets down her juice, stands up straight, and takes a deep breath. “The longest word in English is Methionylalanylthreonylserylarginylglycylalanylseryl…” “That’s not a real word!” Jimmy interrupts. Jenny continues. “… arginylcysteinylprolylarginylaspartylisoleucylalanyl…” “Come on. You’re making that up.” “… asparaginylvalylmethionylglutaminylarginyl…” “Jenny stop.” “… leucylglutaminylaspartylglutamylglutaminylglutamylisoleucyl…” “Please” “… valylglutaminyllysylarginylthreonylphenylalanylthreonyllysyltryptophyl…” “JENNY” But Jenny does not stop speaking for three and a half hours—long after Jimmy flees the playground in tears. As she utters the final syllables (“…leucine”), Jenny completes the full, technical name of the protein better known as titin—a folded, spring-like protein that helps keep our muscles elastic. Total letter count: 189,819. English isn’t always easy—especially when you throw in What does the longest word in English mean? If you, like Jimmy, don’t think this monstrous moniker should be considered a real English word, you’d find some support from linguists. As a technical scientific term, the full name of titin doesn’t appear in any dictionary—not just because it would take 1...