Definition for A


A is the first letter of the Alphabet in most of the known languages of the earth; in the Ethiopic however it is the thirteenth, and in the Runic the tenth. It is naturally the first letter, because it represents the first vocal sound naturally formed by the human organs: being the sound uttered with a mere opening of the mouth without constraint, and without any effort to alter the natural position or configuration of the lips. Hence this letter is found in many words first uttered by infants; which words are the names of the objects with which infants are first concerned, as the breast, and the parents. Hence in Hebrew אם am, is mother, and אב ab, is father. In Chaldee and Syriac abba is father; in Arabic, aba; in Ethiopic, abi; in Malayan and Bengalese, bappa; in Welsh, tad, whence we retain daddy; in Old Greek and in Gothic, atta; in Irish, aithair; in Cantabrian, aita; in Lapponic, atki; in Abyssinian, abba; in Amharic, aba; in Shilhic and Melindane, African dialects, baba; and papa is found in many nations. Hence the Latin mamma, the breast, which is, in popular use, the name of mother; in Swedish, amma, is a nurse. This list might be greatly extended; but these examples prove A to be the first natural vocal sound, and entitled to the first place in alphabets. The Hebrew name of this letter, aleph, signifies an ox or a leader. A has in English, three sounds; the long or slender, as in place, fate; the broad, as in wall, fall, which is shortened in salt, what; and the open, as in father, glass, which is shortened in rather, fancy. Its primitive sound was probably aw. A is also an abbreviation of the Saxon an or ane, one, used before words beginning with an articulation; as a table, instead of an table, or one table. This is a modern change; for in Saxon an was used before consonants as well as vowels, as an tid, a time, an gear, a year. [See An.] This letter serves as a prefix to many English words, as in asleep; awake; afoot; aground; agoing. In some cases this is a contraction of the Teutonic ge, as in asleep, aware from the Saxon geslapan, to sleep, gewarian, to beware; the Dutch gewaar. Sometimes it is a corruption of the Saxon on, as again from ongean, awake from onwacian, to watch or wake. Before participles, it may be a contraction of the Celtic ag, the sign of the participle of the present tense, as, ag-radh, saying; a-saying, a-going. Or this may be a contraction of on, or what is equally probable, it may have proceeded from a mere accidental sound produced by negligent utterance. In some words, a may be a contraction of at, of, in, to, or an. In some words of Greek original, a is privative, giving to them a negative sense, as in anonymous, from a and ονομα, name. Among the ancients, A was a numeral denoting 500; and with a dash Ā 5000. In the Hebrew, Syr. Ch. Sam, and Ar. it denotes one or unity. In the Julian Calendar, A is the first of the seven dominical letters. Among logicians, A, as an abbreviation, stands for a universal affirmative proposition. A asserts; E denies. Thus in barbara, a, thrice repeated, denotes so many of the propositions to be universal. The Romans used A to signify a negative or dissent in giving their votes; A. standing for antiquo, I oppose or object to the proposed law. Opposed to this letter were U. R. uti rogas, be it as you desire – the words used to express assent to a proposition. These letters were marked on wooden ballots, and each voter had an affirmative and a negative put into his hands, one of which at pleasure he gave as his vote. – In criminal trials, A. stood for absolvo, I acquit; C. for condemno, I condemn; and N. L. for non liquet, it is not evident; and the judges voted by ballots thus marked. – In inscriptions, A. stands for Augustus; or for ager, aiunt, aurum, argentum, &c. A is also used for anno, or ante; as in anno Domini, the year of our Lord; anno mundi, the year of the world; ante meridiem, before noon; and for arts, in artium magister, master of arts. Among the Romans, A. U. C. stood for anno ab urbe condita, from the building of the city of Rome. In algebra, a and the first letters of the alphabet represent known quantities – the last letters are sometimes used to represent unknown quantities. In music, A is the nominal of the sixth note in the natural diatonic scale – called by Guido la. It is also the name of one of the two natural moods; and it is the open note of the 2d string of the violin, by which the other strings are tuned and regulated. In pharmacy, a or aa, abbreviations of the Greek ana, signify of each separately, or that the things mentioned should be taken in quantities of the same weight or measure. In chimistry, A A A stand for amalgama, or amalgamation. In commerce, A. stands for accepted, as in case of a bill of exchange. Merchants also number their books by the letters, A, B, C, instead of figures. Public officers number their exhibits in the same manner; as the document A, or B. Alpha and Omega, the first and last letters of the Greek alphabet, are used in Scripture for the beginning and end – representative of Christ. In mathematics, letters are used as representatives of numbers, lines, angles and quantities. In arguments, letters are substituted for persons, in cases supposed, or stated for illustration, as A contracts with B to deliver property to D. – In the English phraseology, "a landlord has a hundred a year," "the sum amounted to ten dollars a man," a is merely the adjective one, and this mode of expression is idiomatic; a hundred in a [one] year; ten dollars to a [one] man.

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