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

Think of them as time capsules from the solar system's childhood. — Joe Rao, Space.com, 16 Oct. 2026

Now completed by his son, David Greaves, this documentary offers an intimate time capsule of a generation’s wit, debates and unmistakable style — inviting audiences to spend an evening in the company of history. — Katherine Brodsky, Variety, 16 Oct. 2026

Explore See latest videos, charts and news The electronic and arts festival, run by Untitled Group, launched its 2027 campaign with a teaser video framed around a time capsule, cutting through archival footage from past editions. — Jessica Lynch, Billboard, 13 Oct. 2026

There is no mention of the kitchen in the listing copy, so be prepared for a time capsule, but the bathroom is nice enough. — Matthew Sedacca, Curbed, 12 Oct. 2026

Word History

First Known Use

1938, in the meaning defined at sense 1

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