A.M.
1.0
The time between midnight and noon on the 12-hour clock
- noun
- /ˌeɪˈɛm/
:
a.m.
- She usually wakes up around 6 A.M. to go jogging before work.
Examples
-
The train is scheduled to depart at 8:30 A.M. sharp.
-
Breakfast will be served until 10 A.M. in the dining room.
-
Wake up at 5 A.M.!
-
I wake up at 6 A.M. every day.
-
Breakfast will be served until 10 A.M. in the dining room.
-
She usually wakes up around 6 A.M. to go jogging before work.
-
The train is scheduled to depart at 8:30 A.M. sharp.
Synonyms
morning
vsA.M.
∞
1.0
The first part of the day from first light until noon
refers instead to the clock hours before noon, including times before daylight
AM
vsA.M.
7
1.0
The time between midnight and noon
is written differently using lowercase and punctuation for the same hours
ante meridiem
vsA.M.
6.3
Words written after a clock time to show it is before midday
is the common abbreviation used on clocks and schedules
Compounds
Surface Forms
Etymology
A.M. comes from the Latin phrase ante meridiem, meaning 'before midday'. That is why the A.M. period means the time from midnight to noon, the hours before 12 o'clock.