a
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a
, A the first in a series, esp the highest grade or mark, as in an examination
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
a
(electricity)
(physics)
A
(electricity)
(mechanics)
Å
(mechanics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.