Dichlorodiphenyltrichloroethane, one of the most well-known synthetic pesticides.
Other long words include:
electroencephalographically
octamethylpyrophosphoramide
ethylenediaminetetraacetic
laryngotracheobronchitides
meningoencephalomyelitides
pneumoencephalographically
electrocorticographically
electroencephalographical
immunoelectrophoretically
panhysterosalpingectomies
syngenesiotransplantation
tetrabromophenolphthalein
ureteropyelonephrostomies
ventriculocisternostomies
cholangiopancreatography
cholecystoduodenostomies
electrocardiographically
electroencephalographies
hysterotrachelorrhaphies
laryngotracheobronchitis
lymphangioendotheliomata
mediastinopericarditides
pancreaticoenterostomies
pancreaticogastrostomies
pancreaticojejunostomies
pneumoencephalographical
polioencephalomyelitides
pseudohypoparathyroidism
thyroparathyroidectomies
The longest English word is pneumonoultramicroscopicsilicovolcanoconiosis, and it is the name of a disease of the lungs caused by the inflamation of silica dust (like from volcanos) which causes inflammation in the lungs.
The longest official word in the English language, floccinaucinihilipilification, means the act of estimating as worthless. The word has 29 characters.
the longest word in the dictionary is :
antidisestablishmentarianisam.
The world's longest English word is a lung disease cause by inhaling sulfuric dust.
I know pneumonoultramicroscopicsilicovolcanoconiosis and aequeosalinocalcalinoceraceoaluminosocupreovitriolic. The last one is longer and not as common.
Inadvertadly
According to Wikipedia, the word is a nonsense word (not a real word, but made up by someone) used to describe the longest word.
I have heard that the word "set" has the longest entry in the Oxford Dictionary because of the many different meanings it has.
Dichlorodifluoromethane is the longest word that begins with the letter D.
The answer is: SETThe word 'set' has 464 definitions making it the most. its main definition contains 10,000 words making it the longest definition also. People also use the word set a lot and I mean a lot!
The longest river in Asia and the third-longest in the world.
The longest word in the world is "pneumonoultramicroscopicsilicovolcanoconiosis," which is a lung disease caused by inhaling very fine silicate or quartz dust. It is more commonly known as pneumoconiosis.
1,909 letters in the longest word
no, pneumonoultramicroscopicosillicovolcanoconiosis is the longest word.
The longest word in the English Language is Pneumonoultramicroscophicsilicovolcanoconiosis
Nonmodal is MAYBE the longest word.
5 is the longest word I found "VIDEO"