1.
(=ante meridiem) used after a time for showing that it is between midnight and noon
2.
[Wireless](=amplitude modulation) a system for broadcasting radio signals. AM radio usually has lower sound quality than FM radio
3.
[Country](=America; American)
1.
(=ante meridiem) used after a time for showing that it is between midnight and noon
2.
[Wireless](=amplitude modulation) a system for broadcasting radio signals. AM radio usually has lower sound quality than FM radio
3.
[Country](=America; American)