Longest English word

Which is the longest English word?

This is a simple question.

The answer is not so simple. I made a short research on the Internet and here is what I found.

 

Let’s start with a little joke:

The ‘SMILES’ -is the really longest English word.

Really, there is a MILE between two Ss: SMILES!

longest-English-word-SMILES

 

The longest English word that can be using only vowels:

(6) Euouae

 

The longest English word which has all letters in the alphabetical order:

(8) Aegilops

 

The longest English word that can be constructed with only one vowel:

(9) strengths

 

The longest English word which you can type only with the left hand:

(10) stewardess

 

The longest English word which is typable by alternating left and right hands:

(13) dismantlement

 

The longest English word with no repeated letters:

(15) dermatoglyphics

 

The longest dune name in English:

(23) Nunathloogagamiutbingoi

 

The longest English word in Shakespeares’s works:

(28) Honorificabilitudinitatibus

 

The longest hypothetically legal Scrabble English word:

(28) ethylenediaminetetraacetates

 

The longest unchallenged nontechnical English word:

(29) Floccinaucinihilipilification

 

The longest non-coined and nontechnical English word:

(28) Floccinaucinihilipilification

 

The longest English word in a major dictionary:

(45) Pneumonoultramicroscopicsilicovolcanoconiosis

 

The longest English lake name:

(45) Chargoggagoggmanchauggagoggchaubunagungamaugg

 

The longest English hill name:

(85) Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu

 

 

The longest English place name:

(163) Krungthepmahanakornamornratanakosinmahintarayutthayamahadilokphopnopparatrajathaniburiromudomrajaniwesmahasatharnamornphimarnavatarnsathitsakkattiyavisanukamprasit

 

 

The longest English word coined by a major author:

(183) Lopadotemachoselachogaleokranioleipsanodrimhypotrimmatosilphioparaomelitokatakechymenokichlepikossyphophattoperisteralektryonoptekephalliokigklopeleiolagoiosiraiobaphetraganopterygon

 

 

The longest English Chemical name:

(189,819) Methionylthreonylthreonylglutaminylala…

ylglutaminylprolylleucylglutaminylsery…

lserylthreonylalanylthreonylphenylalan…

rylglycylphenylalanylprolylvalylprolyl…

lanylarginylaspartylglycylglutaminylva…

nylleucylprolylglycylvalylglutaminylis…

ylglycylarginylalanyllysylleucylthreon…

llysylalanylasparaginylserylglycylargi…

 

Note: The longest word cited by the Guinness Book of Records, which allegedly represents the name for human mitochondrial DNA, is more than 207,000 letters long. Some types of DNA could have as many as a billion letters if fully written out.

 

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