A Full Form

1	A	Mass Number
2	A	Blood Type A
3	A	Address
4	A	Adenine
5	A	Angstrom
6	A	Vitamin A
7	A	Adult
8	A	Agilent Technologies
9	A	Type A (Battery Size)
10	A	Helmholtz Energy
11	A	symbol for Argon, until 1957