Longman Dictionary of Contemporary English homepage

Topic: CHRONOLOGY

Date: 1700-1800
Language: Latin
Origin: ante meridiem 'before noon'

a.m.
     
a.m. also am British English
TMC
ante meridiem
used to talk about times that are after midnight but before midday [↪ PM]:
Work starts at 9 am.
Definition of a.m. from the Longman Dictionary of Contemporary English within
the topic CHRONOLOGY
Word of the Day
The CHRONOLOGY
Word of the Day is:
per annum

Other related topics