How does the noun epoch differ from other similar words?
Some common synonyms of epoch are age, era, and period. While all these words mean "a division of time," epoch applies to a period begun or set off by some significant or striking quality, change, or series of events.
the steam engine marked a new epoch in industry
When is it sensible to use age instead of epoch?
The meanings of age and epoch largely overlap; however, age is used frequently of a fairly definite period dominated by a prominent figure or feature.
the age of Samuel Johnson
When might era be a better fit than epoch?
Although the words era and epoch have much in common, era suggests a period of history marked by a new or distinct order of things.
the era of global communications
In what contexts can period take the place of epoch?
While in some cases nearly identical to epoch, period may designate an extent of time of any length.
periods of economic prosperity
Example Sentences
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Recent Examples of epochThe Late Cretaceous was the final epoch of the Mesozoic Era, which was dominated by the dinosaurs, including tyrannosaurus rex and triceratops.—Brie Stimson, FOXNews.com, 24 Apr. 2026 The connecting 18-mile Harmony-Preston Valley trail section traces a tributary to the Root River; trail markers tell of the area's environmental and cultural epochs.—Robin Pfeifer, Midwest Living, 23 Apr. 2026 The cave system flooded at the end of the last ice age — the end of the Pleistocene epoch — approximately 8,000 years ago, due to rising sea levels from melting ice.—Ryan Brennan, Fort Worth Star-Telegram, 5 Apr. 2026 The cave system flooded at the end of the last ice age — the end of the Pleistocene epoch — approximately 8,000 years ago, due to rising sea levels from melting ice.—Ryan Brennan
april 4, Kansas City Star, 4 Apr. 2026 See All Example Sentences for epoch
The airy silhouette will keep you comfortable on long sightseeing days, while the simple square neckline and longer cap sleeves add a polished touch that pairs well with tailored shorts, skirts, or linen pants.
—
Sophie Dodd,
Travel + Leisure,
20 May 2026
And yet every day writers call me from conference rooms at their day jobs, or cramped kitchens with their children, or cars sitting in their driveways—sometimes the only place quiet enough to think.
During this time, circus families blossomed all over Mexico, aided by the appearance of the steamship and railway systems, as the circus historian Julio Revolledo Cárdenas would detail in a 2018 article for the Fédération Mondiale du Cirque.
—
Andrea Flores,
Los Angeles Times,
19 May 2026
Julie Tremaine is an award-winning food and travel writer who’s exploring the world one bite at a time.