1. Honorificabilitudinitatibus
This 27-letter word is found in William Shakespeare's play "Love's Labour's Lost" and means "full of glory."
2. Antidisestablishmentarianism
Comprising 28 letters, this term, according to the "Webster's New Standard Dictionary," refers to the opposition to the separation of church and state.
3. Floccinaucinihilipipification
Listed in the "Oxford English Dictionary," this 29-letter word denotes the act or habit of nullifying something's value.
4. Supercalifragilisticexpialidocious
Coined in the film "Mary Poppins," this 34-letter word means "excellent." It has been humorously translated to "loved by all, flowers bloom when seen, tire bursts upon encountering."
5. Hepaticocholecystostcholecystntenterostomy
A 40-letter medical term, this refers to a surgical procedure involving the placement of an artificial tube between the gallbladder and bile duct or intestine.
6. Pneumonoultramicyoscpicailicovolcanoconiosis
Containing 45 letters, this term, found in the 8th edition ofWebster's Dictionary, means "a lung disease caused by inhaling silicate dust or quartz dust." Miners are particularly susceptible to this condition.
7. Antipericatametaanaparcircumvolutiorectumgustpoops
This 50-letter word was found on a bookshelf in a library that housed a series of stories by the French author François Rabelais, titled "Gargantua and Pantagruel."
8. Osseocaynisanguineoviscericartilagininervomedullary
A 51-letter term used in the medical field, it has appeared in the novel "Headlong Hall" by Thomas Love Peacock.
9. Aequeosalinocalcalinoceraceoaluminosocupreovitriolie
This 52-letter word was coined by the English medical author Edward Strother to describe the mineral water composition of the town of Gloucester, England.
10. Bababadalgharaghtakamminarronnkonnbronntonnerronntuonn-thunntrovarrhounawnskawntoohoohoordenenthurnuk
This 100-letter word is found on the title page of James Joyce's "Finnegans Wake," symbolizing the fall of Adam and Eve.

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