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This list contains acronyms, initialisms, and pseudo-blends that begin with the letter U. For the purposes of this list: acronym = an abbreviation pronounced as if it were a word, e.g., SARS = severe acute respiratory syndrome , pronounced to rhyme with cars
QWERTY, one of the few native English words with Q not followed by U, is derived from the first six letters of a standard keyboard layout. In English, the letter Q is almost always followed immediately by the letter U, e.g. quiz, quarry, question, squirrel. However, there are some exceptions.
The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...
In English spelling, the three-letter rule, [n 1] or short-word rule, [2] is the observation that one- and two-letter words tend to be function words such as I, at, he, if, of, or, etc. [3] As a consequence of the rule, "content words" tend to have at least three letters. In particular, content words containing fewer than three phonemes may be ...
This vocalic w generally represented /uː/, [3] [4] as in wss ("use"). [5] However at that time the form w was still sometimes used to represent a digraph uu (see W), not as a separate letter. In modern Welsh, "W" is simply a single letter which often represents a vowel sound. Thus words borrowed from Welsh may use w this way, such as:
The next three words come after Aster because their fourth letter (the first one that differs) is r, which comes after e (the fourth letter of Aster) in the alphabet. Those words themselves are ordered based on their sixth letters (l, n and p respectively). Then comes At, which differs from the preceding words in the second letter (t comes ...
List of American words not widely used in the United Kingdom; List of British words not widely used in the United States; List of South African English regionalisms; List of words having different meanings in American and British English: A–L; List of words having different meanings in American and British English: M–Z
The exact phrase three-letter acronym appeared in the sociology literature in 1975. [1] Three-letter acronyms were used as mnemonics in biological sciences, from 1977 [2] and their practical advantage was promoted by Weber in 1982. [3] They are used in many other fields, but the term TLA is particularly associated with computing. [4]