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A, or a, is the first letter and the first vowel letter of the Latin alphabet, used in the modern English alphabet, and others worldwide. Its name in English is a (pronounced AY), plural aes. It is similar in shape to the Ancient Greek letter alpha, from which it derives. The uppercase version consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar. The lowercase version can be written in two forms: the double-storey ⟨a⟩ and single-storey ⟨ɑ⟩. The latter is commonly used in handwriting and fonts based on it, especially fonts intended to be read by children, and is also found in italic type. In English, a is the indefinite article, with the alternative form an. Name In English, the name of the letter is the long A sound, pronounced . Its name in most other languages matches the letter's pronunciation in open syllables. History The earliest known ancestor of "A" is aleph—the first letter of the Phoenician alphabet, also written 'aleph—where it represented a glottal stop [ʔ], as Phoenician only used consonantal letters. In turn, the ancestor of aleph may have been a pictogram of an ox head in proto-Sinaitic script influenced by Egyptian hieroglyphs, styled as a triangular head with two horns extended. When the ancient Greeks adopted the alphabet, they had no use for a letter representing a glottal stop—so they adapted sign to represent the vowel /a/, calling the letter by the similar name alpha. In the earliest Greek inscriptions dating to the 8th century BC following the Greek Dark Ages, the letter rests upon its side. However, in the later Greek alphabet it generally resembles the modern capital form—though many local varieties can be distinguished by the shortening of one leg, or by the angle at which the cross line is set. The Etruscans brought the Greek alphabet to the Italian Peninsula, and left the form of alpha unchanged. When the Romans adopted the Etruscan alphabet to write Latin, the resulting form used in the Latin script would come to be used to write many other languages, including English. Typographic variants During Roman times, there were many variant forms of the letter A. First was the monumental or lapidary style, which was used when inscribing on stone or other more permanent media. There was also a cursive style used for everyday or utilitarian writing, which was done on more perishable surfaces. Due to the perishable nature of these surfaces, there are not as many examples of this style as there are of the monumental, but there are still many surviving examples of different types of cursive, such as majuscule cursive, minuscule cursive, and semi-cursive minuscule. Variants also existed that were intermediate between the monumental and cursive styles. The known variants include the early semi-uncial, the uncial, and the later semi-uncial. At the end of the Roman Empire (5th century AD), several variants of the cursive minuscule developed through Western Europe. Among these were the semi-cursive minuscule of Italy, the Merovingian script in France, the Visigothic script in Spain, and the Insular or Anglo-Irish semi-uncial or Anglo-Saxon majuscule of Great Britain. By the ninth century, the Caroline script, which was very similar to the present-day form, was the principal form used in book-making, before the advent of the printing press. This form was derived through a combining of prior forms. 15th-century Italy saw the formation of the two main variants that are known today. These variants, the Italic and Roman forms, were derived from the Caroline Script version. The Italic form ⟨ɑ⟩, also called script a, is often used in handwriting; it consists of a circle with a vertical stroke on its right. In the hands of medieval Irish and English writers, this form gradually developed from a 5th-century form resembling the Greek letter tau ⟨τ⟩. The Roman form ⟨a⟩ is found in most printed material, and consists of a small loop with an arc over it. Both derive from the majuscule form ⟨A⟩. In Greek handwriting, it was common to join the left leg and horizontal stroke into a single loop, as demonstrated by the uncial version shown. Many fonts then made the right leg vertical. In some of these, the serif that began the right leg stroke developed into an arc, resulting in the printed form, while in others it was dropped, resulting in the modern handwritten form. Graphic designers refer to the Italic and Roman forms as single-decker a and double decker a respectively. Italic type is commonly used to mark emphasis or more generally to distinguish one part of a text from the rest set in Roman type. There are some other cases aside from italic type where script a ⟨ɑ⟩, also called Latin alpha, is used in contrast with Latin ⟨a⟩, such as in the International Phonetic Alphabet. Use in writing systems English In modern English orthography, the letter ⟨a⟩ represents at least seven different vowel sounds, here represented using the vowels of Received Pronunciation, with effects of ⟨r⟩ ignored and mergers in General American mentioned where relevant: the near-open front unrounded vowel /æ/ as in pad the open back unrounded vowel /ɑː/ as in father—merged with /ɒ/ as /ɑ/ in General American—which is closer to its original Latin and Greek sound the open back rounded vowel /ɒ/ (merged with /ɑː/ as /ɑ/ in General American) in was and what the open-mid back rounded vowel /ɔː/ in water the diphthong /eɪ/ as in ace and major, usually when ⟨a⟩ is followed by one, or occasionally two, consonants and then another vowel letter—this results from Middle English lengthening followed by the Great Vowel Shift a schwa /ə/ in many unstressed syllables, as in about, comma, solar The double ⟨aa⟩ sequence does not occur in native English words, but is found in some words derived from foreign languages such as Aaron and aardvark. However, ⟨a⟩ occurs in many common digraphs, all with their own sound or sounds, particularly ⟨ai⟩, ⟨au⟩, ⟨aw⟩, ⟨ay⟩, ⟨ea⟩ and ⟨oa⟩. ⟨a⟩ is the third-most-commonly used letter in English after ⟨e⟩ and ⟨t⟩, as well as in French; it is the second most common in Spanish, and the most common in Portuguese. ⟨a⟩ represents approximately 8.2% of letters as used in English texts; the figure is around 7.6% in French 11.5% in Spanish, and 14.6% in Portuguese. Other languages In most languages that use the Latin alphabet, ⟨a⟩ denotes an open unrounded vowel, such as /a/, /ä/, or /ɑ/. An exception is Saanich, in which ⟨a⟩—and the glyph ⟨Á⟩—stands for a close-mid front unrounded vowel /e/. Other systems In the International Phonetic Alphabet, ⟨a⟩ is used for the open front unrounded vowel, ⟨ä⟩ is used for the open central unrounded vowel, and ⟨ɑ⟩ is used for the open back unrounded vowel. In X-SAMPA, ⟨a⟩ is used for the open front unrounded vowel and ⟨A⟩ is used for the open back unrounded vowel. Other uses When using base-16 notation, ⟨A⟩ is conventionally used as the numeral corresponding to the number 10 in decimal. .... Discover the A popular books. Find the top 100 most popular A books.