time capsule

noun

1
: a container holding historical records or objects representative of current culture that is deposited (as in a cornerstone) for preservation until discovery by some future age
2
: something resembling a time capsule
Sunken vessels are archaeological time capsules.Philip Trupp

Examples of time capsule in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Zircons act as geological time capsules, preserving information about their age and origin. Neetika Walter, Interesting Engineering, 22 Jan. 2026 The photo gallery captures the ribbon-cutting ceremony, the installation of a 25-year time capsule, and a first look at the development. Joe Cavaretta, Sun Sentinel, 15 Jan. 2026 The documentary serves as a nostalgic time capsule of archival footage from 30 years earlier, capturing a moment in time before the groups’ launch into stardom. Tribune News Service, Baltimore Sun, 14 Jan. 2026 The documentary serves as a nostalgic time capsule of archival footage from 30 years earlier, capturing a moment in time before the groups’ launch into stardom. Charlie Vargas, Oc Register, 8 Jan. 2026 See All Example Sentences for time capsule

Word History

First Known Use

1938, in the meaning defined at sense 1

Time Traveler
The first known use of time capsule was in 1938

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Cite this Entry

“Time capsule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20capsule. Accessed 26 Jan. 2026.

Kids Definition

time capsule

noun
: a container holding historical records or objects representative of current culture that is placed (as in a cornerstone) for preservation until discovery by some future age
Last Updated: - Updated example sentences
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