a1 or A 
(
) See the pronunciation key
NOUN:
pl. a's or A's also as or As
IDIOM:
from A to Z
(
) See the pronunciation key NOUN:
pl. a's or A's also as or As
- The first letter of the modern English alphabet.
- Any of the speech sounds represented by the letter a.
- The first in a series.
- Something shaped like the letter A.
- A The best or highest in quality or rank: grade A milk.
- Music
- The sixth tone in the scale of C major or the first tone in the relative minor scale.
- A key or scale in which A is the tonic.
- A written or printed note representing this tone.
- A string, key, or pipe tuned to the pitch of this tone.
- A One of the four major blood groups in the ABO system. Individuals with this blood group have the A antigen on the surface of their red blood cells, and the anti-B antibody in their blood serum.
IDIOM:
from A to Z
- Completely; thoroughly.
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