Longest Words - English

English

The longest technical word in English is the scientific name for the protein titin, at 189,819 letters. Titin is the largest known polypeptide in the human body, composed of 34,350 amino acids. Though lexicographers regard generic names of chemical compounds as verbal formulae rather than English words, for its sheer length it is often included in longest-word lists.

The 45-letter word pneumonoultramicroscopicsilicovolcanoconiosis is the longest English word that appears in a major dictionary. Originally coined to become a candidate for the longest word in English, the term eventually developed some independent use in medicine. It is referred to as "P45" by researchers.

Antidisestablishmentarianism, at 28 letters, is the longest non-coined, non-technical English word. It refers to a 19th century political movement that opposed the disestablishment of the Church of England as the state church of England.

Floccinaucinihilipilification, at 29 letters (and meaning the act of estimating something as being worth so little as to be practically valueless, or the habit of doing so), is the longest non-technical, coined word in the English language.

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Famous quotes containing the word english:

    I had always been so much taken with the way all English people I knew always were going to see their lawyer. Even if they have no income and do not earn anything they always have a lawyer.
    Gertrude Stein (1874–1946)

    The English language is like a broad river on whose bank a few patient anglers are sitting, while, higher up, the stream is being polluted by a string of refuse-barges tipping out their muck.
    Cyril Connolly (1903–1974)

    I repeat that in this sense the most splendid court in Christendom is provincial, having authority to consult about Transalpine interests only, and not the affairs of Rome. A prætor or proconsul would suffice to settle the questions which absorb the attention of the English Parliament and the American Congress.
    Henry David Thoreau (1817–1862)