AM
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Tweet abbr. 1. airmail 2. amplitude modulation 3. or AM Latin anno mundi (in the year of the world) 4. or AM or am ante meridiem 5. Latin artium magister (Master of Arts) Usage Note: By convention, 12 AM denotes midnight and 12 PM denotes noon. Because of the potential for confusion, it is advisable to use 12 noon and 12 midnight. |
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