time stamp

noun

variants or timestamp

ˈtīm-ˌstamp 

plural time stamps or timestamps

1

: a stamping device used for recording the date and time of day on a document, envelope, etc. (as to indicate when it was received or sent out)

2

a

: an indication of the date and time stamped on a document, envelope, etc.

Problem was, a later check of the time stamp on the motion indicated that it had been filed nearly 40 minutes after Heinrich appeared before Wolf.

—Thanassis Cambanis

b

: an indication of the date and time recorded as part of a digital signal or file (such as an email, digital photograph, radio broadcast, or text message) indicating the time of creation, transmission, etc.

When you share that viral video, it carries a time stamp.

—Cosmopolitan

… highlighted a seeming discrepancy between the timestamps of the phone records and surveillance video, with the surveillance video suggesting the shooting happened a moment or two earlier than the phone records.

—Patrick Kernan

time-stamp

ˈtīm-ˌstamp 

transitive verb

time-stamped; time-stamping; time-stamps

The repository also contains time-stamped versions of your code …

—Jeff Jurvis

Examples of time stamp in a Sentence

Recent Examples on the Web

Simplifying Two-Factor Authentication Jenkins and his colleagues have devised a simpler variation of TFA that does not require a time stamp and can work directly between two devices without third parties or extensive telecom infrastructures. —IEEE Spectrum, 5 Aug. 2025

This included the vehicle’s speed, the turning radius of the steering wheel and time stamps. —David Sella-Villa, The Conversation, 24 June 2025

For example, an AI assistant may show which documents were retrieved from a knowledge base to generate an answer, cite time stamps and internal sources, indicate confidence levels with visual cues, and offer a fallback when the model is unsure or the input is ambiguous. —Gopikrishnan Anilkumar, Forbes.com, 25 July 2025

The video’s time stamp began at 5:10 p.m. local time, according to Fox affiliate KTBC, with the floodwaters reaching their peak just about 20 minutes later. —David Chiu, People.com, 7 July 2025

Word History

First Known Use

1855, in the meaning defined at sense 1

Rhymes for time stamp

• firedamp
• amp
• champ
• clamp
• cramp
• damp
• gamp
• lamp
• ramp
• samp
• scamp
• tamp