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Related to A diaeresis: Trema, Diaereses


first letter of the alphabetalphabet
[Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation between character (or letter) and phoneme (see phonetics). Few alphabets have achieved the ideal exactness.
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. A is a usual symbol for a low central vowel, as in father; the English long a (ā) is pronounced as a diphthong of ĕ and y. The corresponding letter of the Greek alphabet is named alpha. Alpha and omega, the last letter of the Greek alphabet, symbolize the beginning and the end and, in the New Testament, Christ. In musical notationmusical notation,
symbols used to make a written record of musical sounds.

Two different systems of letters were used to write down the instrumental and the vocal music of ancient Greece. In his five textbooks on music theory Boethius (c.A.D. 470–A.D.
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 the letter is the symbol of a note in the scale.
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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


1. Abbr. for ampere, a unit of electric current.
2. Abbr. for area.


A unit of sound-level; a reading taken on the A-scale of a sound-level meter.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


, A
the first in a series, esp the highest grade or mark, as in an examination
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
When this is followed by an accented vowel the combination always counts as two syllables, as in pa|ura, le|one, or po|eta; as a result the diaeresis is not marked in modern critical editions, because it is not a diaeresis in the stricter sense defined above.
This list of forms with synaeresis does not include a number that fall at the end of the line, where a diaeresis would never be marked; the convention is that any unaccented vowel following an accented vowel in the tenth position of the hendecasyllable counts as a notional eleventh syllable.
3 31 47 menava[??] io li[??] occhi per li gradi, I would add the one case where, I have proposed above, io should be given a diaeresis to avoid an exceptional dialefe: