a.m.
/ˌeɪˈɛm/
Word Rarity
Uncommon
Frequency: 4.35 in modern English
4
Scrabble Score
2
Letters
2
Syllables
2
Unique Chars
Meaning
adv
Alternative form of a.m. (“before noon”).
adv
In the 12-hour period from midnight to noon (the first half of the day) when using the 12-hour clock.
adj
Initialism of ad modum.
Example Sentences
- "Greenfield … Monday thru Friday, 9 to 12 a.m."
- "One of the most common night shifts is the 12 a.m.-to-8 a.m. shift."
- "We never say 12 a.m. or 12 p.m. It's either 12 midnight or 12 noon, respectively."
- "The 12-hour clock uses A.M. for the morning hours of midnight (12:00 A.M.) to almost noon (11:59 A.M.) and the P.M. designation for the hours from noon (12:00 P.M.) to almost midnight (11:59 PM)."
- "The 12-hour clock, which is used in the U.S., Canada, and a few other countries, divides time into two cycles: a.m. (ante meridiem, Latin for before midday) from midnight, 12 a.m., to 11:59 a.m.; and p.m. (post meridiem, Latin for after midday) from noon, 12 p.m., to 11:59 p.m."
- "The following daylight peaks are identified around lunchtime, from 12 am to 1 pm, while for weekend days, the curve show several daylight peaks from 7 am to late lunchtime, around 1 pm."
Etymology
Word Breakdown
- Root: *h₂en-
Usage
Inflected Forms
Synonyms
Antonyms
p.m.
in the afternoon