1 amplitude modulation.
2 US Master of Arts.
3 Member of the Order of Australia.
(sense 2) L artium Magister
am, symb. Chem. the element americium.
am, 1st person sing. present of BE.
Ack Emma, FM, PM, amplitude modulation, ante meridiem, double sideband, foreday, forenoon, grey-eyed morn, incense-breathing morn, matins, modulation, morn, morning, morning time, morntime, side frequency, sideband, this AM, this morning, waking time