That got me to thinking about long words.
apparently, esophagogastroduodenoscopy isn't as long as
antidisestablishmentarianism (28 letters),
Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu (85 letters) a hill in New Zealand,
or
- acetylseryltyrosylserylisoleucylthreonylserylprolylserylglutaminyl-
- phenylalanylvalylphenylalanylleucylserylserylvalyltryptophylalanyl-
- aspartylprolylisoleucylglutamylleucylleucylasparaginylvalylcysteinyl-
- threonylserylserylleucylglycylasparaginylglutaminylphenylalanyl-
- glutaminylthreonylglutaminylglutaminylalanylarginylthreonylthreonyl-
- glutaminylvalylglutaminylglutaminylphenylalanylserylglutaminylvalyl-
- tryptophyllysylprolylphenylalanylprolylglutaminylserylthreonylvalyl-
- arginylphenylalanylprolylglycylaspartylvalyltyrosyllysylvalyltyrosyl-
- arginyltyrosylasparaginylalanylvalylleucylaspartylprolylleucylisoleucyl-
- threonylalanylleucylleucylglycylthreonylphenylalanylaspartylthreonyl-
- arginylasparaginylarginylisoleucylisoleucylglutamylvalylglutamyl-
- asparaginylglutaminylglutaminylserylprolylthreonylthreonylalanylglutamyl-
- threonylleucylaspartylalanylthreonylarginylarginylvalylaspartylaspartyl-
- alanylthreonylvalylalanylisoleucylarginylserylalanylasparaginylisoleucyl-
- asparaginylleucylvalylasparaginylglutamylleucylvalylarginylglycyl-
- threonylglycylleucyltyrosylasparaginylglutaminylasparaginylthreonyl-
- phenylalanylglutamylserylmethionylserylglycylleucylvalyltryptophyl-
- threonylserylalanylprolylalanylserine
- which at 1185 letters, is a coat protein of the tobacco mosaic virus.
- Although the word does seem to be cheating a bit, doesn't it, since it's just spelling out the functional groups of the protein. I'm not going to try to pronounce that one.