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| Definition and usage | |
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Further information: Grapheme, Glyph, and Character (symbol)
The term letter, borrowed from Old French lettre, entered Middle English around AD 1200, eventually displacing the native English term bocstaf (i.e. bookstaff). Letter derives ultimately from Latin littera, itself of unknown origin. The Middle English plural lettres could refer to an epistle or written document, reflecting the use of the Latin plural litteræ. Use of the singular letter to refer to a written document emerges in the 14th century.
As symbols that denote segmental speech, letters are associated with phonetics. In a purely phonemic alphabet, a single phoneme is denoted by a single letter, but in history and practice letters often denote more than one phoneme. A pair of letters designating a single phoneme is called a digraph. Examples of digraphs in English include "ch", "sh" and "th". A phoneme can also be represented by three letters, called a trigraph. An example is the combination "sch" in German.
A letter may also be associated with more than one phoneme, with the phoneme depending on the surrounding letters or etymology of the word. As an example of positional effects, the Spanish letter c is pronounced [k] before a, o, or u (e.g. cantar, corto, cuidado), but is pronounced [θ] before e or i (e.g. centimo, ciudad).
Letters also have specific names associated with them. These names may differ with language, dialect and history. Z, for example, is usually called zed in all English-speaking countries except the U.S., where it is named zee.
Letters, as elements of alphabets, have prescribed orders. This may generally be known as "alphabetical order" though collation is the science devoted to the complex task of ordering and sorting of letters and words in different languages. In Spanish, for instance, ñ is a separate letter being sorted after n. In English, n and ñ are sorted alike.
Letters may also have numerical value. This is true of Roman numerals and the letters of other writing systems. In English, Arabic numerals are typically used instead of letters.
Letters may be used as words. The words a (lower or uppercase) and I (always uppercase) are the most common English letter-words. Sometimes O is used for "Oh" in poetic situations. In extremely informal cases of writing, individual letters may replace words, e.g. U may be used instead of "You" in English, when the letter is pronounced as a homophone of the word.
People and objects are sometimes named after letters, for one of these reasons:
The letter is an abbreviation, e.g. "G-man" as slang for a Federal Bureau of Investigation agent, arose as short for "Government Man".
Alphabetical order used as a counting system, e.g. Plan A, Plan B, etc.; alpha ray, beta ray, gamma ray, delta ray, epsilon ray
The shape of the letter, e.g. D-ring, F-clamp, G-clamp, H-block, H engine, O-ring, R-clip, U engine, V engine, Z-drive, a river delta
Other reasons, e.g. X-ray after "x the unknown" in algebra, because the discoverer did not know what they were.
[edit] Tags:Grapheme,Alphabetic,Writing,Phone,Character (symbol),Bookstaff,Littera,Letter,Phonetics,Phonemic,Digraph,Trigraph,Z,Collation,ñ,Roman Numerals,Arabic Numerals,Homophone,Federal Bureau Of Investigation,Alpha Ray,Beta Ray,Gamma Ray,Delta Ray,Epsilon Ray,D-ring,F-clamp,G-clamp,H-block,H Engine,O-ring,R-clip,U Engine,V Engine,Z-drive,River Delta,X-ray,Algebra,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,R,S,T,U,V,W,X,Y,Alphabet,Glyph, | |
| A Classical definition | |
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Guilhem Molinier, a member of the Consistori del Gay Saber, which was the first literary academy in the world and held the Floral Games to award the best troubadour with the violeta d'aur top prize, gave a definition of the letter in his Leys d'amor (1328–1337), a book aimed at regulating the then flourishing Occitan poetry:
Letra votz no es devisabla.
E per escriure convenabla.
Letra per miels esser exposta.
Es menor part de votz composta.
A letter is an indivisible sound
That is fit for writing;
A letter, to define it better,
Is the smallest part of a composite sound.
[edit] Tags:Guilhem Molinier,Consistori Del Gay Saber,Floral Games,Troubadour,Leys D'amor,Occitan, | |
| History | |
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Main article: History of the alphabet
The first consonantal alphabet found has emerged around 2000 BCE to represent the language of Semitic workers in Egypt (see Middle Bronze Age alphabets), and was derived from the alphabetic principles of the Egyptian hieroglyphs. Nearly all alphabets in the world today either descend directly from this development or were inspired by its design.[1] The Greek alphabet, invented around 800 BC, was the first alphabet assigning letters not only to consonants, but also to vowels.[2]
[edit] Tags:Greek Alphabet,History Of The Alphabet,Consonantal Alphabet,Semitic,Middle Bronze Age Alphabets,Egyptian Hieroglyphs,800 Bc,Consonants,Vowels, | |
| Various scripts | |
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The following alphabets, abjads (alphabets with consonants only) and individual letters are discussed in related articles. Each represents a different script:
Arabic alphabet: (Alphabetical from right to left) ﺍ, ﺏ, ﺕ, ﺙ, ﺝ, ﺡ, ﺥ, ﺩ, ﺫ, ﺭ, ﺯ, ﺱ, ﺵ, ﺹ, ﺽ, ﻁ, ﻅ, ﻉ, ﻍ, ﻑ, ﻕ, ﻙ, ﻝ, ﻡ, ﻥ, هـ, ﻭ, ﻱ.
Syriac alphabet: (Alphabetical from right to left) ܐ, ܒ, ܓ, ܕ, ܗ, ܘ, ܙ, ܚ, ܛ, ܝ, ܟܟ, ܠ, ܡܡ, ܢܢ, ܣ, ܥ, ܦ, ܨ, ܩ, ܪ, ܫ, ܬ.
Cyrillic script: А, Б, В, Г, Ґ, Д, Е, Є, Ж, З, И, І, Ї, Й, К, Л, М, Н, О, П, Р, С, Т, У, Ф, Х, Ц, Ч, Ш, Щ, Ю, Я, Ъ, Ь, Ђ, Љ, Њ, Ћ, Џ, Ы.
Greek alphabet: Α, Β, Γ, Δ, Ε, Ζ, Η, Θ, Ι, Κ, Λ, Μ, Ν, Ξ, Ο, Π, Ρ, Σ, Τ, Υ, Φ, Χ, Ψ, Ω.
Hebrew alphabet: (Alphabetical from right to left) א, ב, ג, ד, ה, ו, ז, ח, ט, י, כ, ל, מ, נ, ס, ע, פ, צ, ק, ר, ש, ת.
Latin alphabet: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.
For other writing systems and their letters, see List of writing systems and List of alphabets.
A Cyrillic letter Я shown in upper and lower case, and in italics
[edit] Tags:Abjads,Arabic Alphabet,ﺍ,ﺏ,ﺕ,ﺙ,ﺝ,ﺡ,ﺥ,ﺩ,ﺫ,ﺭ,ﺯ,ﺱ,ﺵ,ﺹ,ﺽ,ﻁ,ﻅ,ﻉ,ﻍ,ﻑ,ﻕ,ﻙ,ﻝ,ﻡ,ﻥ,هـ,ﻭ,ﻱ,Syriac Alphabet,ܐ,ܒ,ܓ,ܕ,ܗ,ܘ,ܙ,ܚ,ܛ,ܝ,ܟܟ,ܠ,ܡܡ,ܢܢ,ܣ,ܥ,ܦ,ܨ,ܩ,ܪ,ܫ,ܬ,Cyrillic Script,А,Б,В,Г,Ґ,Д,Е,Є,Ж,З,И,І,Ї,Й,К,Л,М,Н,О,П,Р,С,Т,У,Ф,Х,Ц,Ч,Ш,Щ,Ю,Я,Ъ,Ь,Ђ,Љ,Њ,Ћ,Џ,Ы,Α,Β,Γ,Δ,Ε,Ζ,Η,Θ,Ι,Κ,Λ,Μ,Ν,Ξ,Ο,Π,Ρ,Σ,Τ,Υ,Φ,Χ,Ψ,Ω,Hebrew Alphabet, | |
| Upper and lower case | |
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Main articles: Letter case, Capital letters, and Lower case
Some writing systems have two major forms for each letter: an upper case form (also called capital or majuscule) and a lower case form (also called minuscule). Upper and lower case forms represent the same sound, but serve different functions in writing. Capital letters are most often used at the beginning of a sentence, as the first letter of a proper name, or in inscriptions or headers. They may also serve other functions, such as in the German language where all nouns begin with capital letters.
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| Typeface and font | |
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Main articles: Typeface and Calligraphy
A letter may be printed in a number of different sizes or forms, depending on choice of typeface. A typeface is a single, stylistically consistent set of forms for letters (or glyphs). A particular typeface may alter standard forms of characters, may present them with different optical weight, or may angle or embellish their forms. A font is more specific than a typeface, since it specifies the size of the letters as well as the form.
In calligraphy, letters are written artistically and may or may not be consistent throughout a work.
[edit] Tags: | |
| Letter frequencies | |
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Main article: Letter frequencies
The average distribution of letters, or the relative frequency of each letter's occurrence in text in a given language can be obtained analyzing large amounts of representative text. This information can be useful in cryptography and for other purposes as well. Letter frequencies vary in different types of writing. In English, the most frequently appearing ten letters are e, t, a, o, i, n, s, h, r, and d, in that order, with the letter e appearing about 13% of the time.
[edit] Tags: | |
| Footnotes | |
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^ Himelfarb, Elizabeth J. "First Alphabet Found in Egypt", Archaeology 53, Issue 1 (Jan./Feb. 2000): 21.
^ Millard 1986, p. 396
[edit] Tags: | |
| See also | |
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Abecedarium
Alphabet
Alphabets derived from the Latin
Artificial script
Character (computing)
Collation
Diacritic
Digraph (orthography)
Glyph
Grapheme
Use of Greek letters in mathematics
History of the alphabet
Letterform
Ligature
Orthography
Roman letters used in mathematics
Typeface
Typography
Unicode
[edit] Tags:Greek Letters, | |
| Sources | |
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Millard, A. R. (1986), "The Infancy of the Alphabet", World Archaeology 17 (3): 390–398
[edit] Tags: | |
| References | |
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Daniels, Peter T., and William Bright, eds 1996. The World's Writing Systems. ISBN 0-19-507993-0.
Powell, Barry B. 1991. Homer and the Origin of the Greek Alphabet. ISBN 9780521589079 | ISBN 052158907X.
Robinson A. 2003, "The Origins of writing" in David Crowely and Paul Heyer 'Communication in History: Technology, Culture, Society' (fourth edition) Allyn and Bacon Boston pp 34–40
[edit] Tags: | |
| External links | |
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Look up letter, bookstaff, or bookstave in Wiktionary, the free dictionary.
Convert Text case Upper case to Lower case and Lower case to Upper case
Unicode Code Charts
LetterCount.com Count the number of letters in a document
Word-Counter.com Count number of alphabets and letters, with and without spaces, count words and typing speed test
Retrieved from "http://en.wikipedia.org/w/index.php?title=Letter_(alphabet)&oldid=473587286"
Categories: Alphabetic writing systemsTypographyHidden categories: Articles lacking in-text citations from October 2009All articles lacking in-text citationsArticles containing Arabic language text
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