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Definitions from the Web

Term: am and pm

Part of Speech: Noun

Sense: Time Designation

AM (Ante Meridiem) and PM (Post Meridiem) are time designations used to divide a 24-hour day into two parts. AM refers to the period of time from midnight until noon, while PM refers to the period from noon until midnight.

Sample Sentence:

I have a meeting at 10 AM tomorrow.

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Part of Speech: Abbreviation

Sense: Ante Meridiem

AM is an abbreviation for "Ante Meridiem," which translates to "before noon" in Latin. It is used to indicate morning hours on a 12-hour clock system.

Sample Sentence:

The train is scheduled to depart at 8 AM.

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Sense: Amplitude Modulation

AM is also commonly used as an abbreviation for "Amplitude Modulation," which is a method of transmitting signals by varying the amplitude of carrier waves.

Sample Sentence:

AM radio stations were more prevalent before the rise of FM broadcasting.

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Part of Speech: Abbreviation

Sense: Post Meridiem

PM is an abbreviation for "Post Meridiem," which means "after noon" in Latin. It is used to indicate afternoon and evening hours on a 12-hour clock system.

Sample Sentence:

The concert starts at 7 PM.

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