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A.A.
a.a.e.
A.B.
a.b.
A-bomb
A/C
a/c
a cappella
à cheval
A/D
A-D conversion
à deux
A & E
a.f.
a fortiori
A-frame
à gogo
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A (1)

A


symbol 
Definition:
 
1. chemistry activity

2. biochemistry adenine

3. measurements ampere

4. measurements angstrom

5. roads used to indicate a main road other than a motorway

6. physics mass number

7. comput 10 ( used in hexadecimal notation )

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