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:

    We admire Chaucer for his sturdy English wit.... But though it is full of good sense and humanity, it is not transcendent poetry. For picturesque description of persons it is, perhaps, without a parallel in English poetry; yet it is essentially humorous, as the loftiest genius never is.
    Henry David Thoreau (1817–1862)

    This seems a long while ago, and yet it happened since Milton wrote his Paradise Lost. But its antiquity is not the less great for that, for we do not regulate our historical time by the English standard, nor did the English by the Roman, nor the Roman by the Greek.... From this September afternoon, and from between these now cultivated shores, those times seemed more remote than the dark ages.
    Henry David Thoreau (1817–1862)

    But there is nothing which delights and terrifies our English Theatre so much as a Ghost, especially when he appears in a bloody Shirt. A Spectre has very often saved a Play, though he has done nothing but stalked across the Stage, or rose through a Cleft of it, and sunk again without speaking one Word.
    Joseph Addison (1672–1719)