AM


AM
AM
AM1 [ā′em′]
n.
amplitude-modulation broadcasting or sound transmission, characterized by the capability of transmitting over long distances and by a moderate to high level of noise and static: cf. FM2
AM2
abbrev.
1. amplitude modulation
2. [L ante meridiem] before noon: used to designate the time from midnight to noon: also A.M., a.m., or am
3. [L Artium Magister] Master of Arts: also A.M.

English World dictionary. . 2014.