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A,

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.

a

(electricity)
(physics)

A

(electricity)
(mechanics)

Å

(mechanics)

A

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

dB(A)

A unit of sound-level; a reading taken on the A-scale of a sound-level meter.

a

, A
the first in a series, esp the highest grade or mark, as in an examination
References in periodicals archive ?
Agus bha spuran biorach orra cuideachd, agus dheanadh tu dealbh gu math furusda na'd inntinn dhiabh dha do sgriobadh direach mar a bhiodh iad a' sgriobadh a's an duslach.
On October 15, 2018, following the end of the baseball season, the A's ended months of speculation by parting ways with Entercom.
Thromde 'A's focus is on urban facilities, safety, water, sanitation, pollution, quality of education and congestion.
gray B's and 40 teal tone-on-tone A's to make 40 Flying Geese
One option would be to omit the rows of background A's on either side of the heart to make a square block.
SM by the Bay A's Jade Becaldo and Hachaliah Gilbuena, likewise, booked a semis seat after whipping Perpetual Molino B's Emanuel Gamat and Paolo AloAaAaAeA~a, 21-7, 21-4, to keep their record pristine at 3-
In fact, Wolff has said his only interest in relocation is within the A's own territory.
The A's, who were the regular-season champions, came out of the tournament's loser's bracket, winning three consecutive games to take the title.
AS level students who were rewarded for their diligence by obtaining straight A's in all three subjects were Ali Mohamed Ali Salman Yusuf, Ateeb Khan, Isa Ahmed Yusuf Abdulla Al Doseri, Anoopa Sundararajan, Farayha Zafar Khan, Mariam A Halim Hassouna, Hassan Abdulla Hilal and Karen Daniel John.
Z's optical and digital transmission equipment, usually a synchronous optical network (SONET) ring, and the associated public switched telephone network (PSTN) are used to transmit A's telecommunications.
He said his staff had contacted the social workers who oversaw Mrs A's discharge from hospital to tell them her condition had deteriorated and to ask for her care package to be "urgently reviewed".