epoch-making

American  

[ep-uhk-mey-king, ee-pok-] / ˈɛp əkˌmeɪ kɪŋ, ˈi pɒk- /

adjective

1. opening a new era, as in human history, thought, or knowledge; epochal.

   an epoch-making discovery.

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epoch-making British  

adjective

1. of great importance; momentous

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Etymology

Origin of epoch-making

First recorded in 1870–75

Example Sentences

Haiti, a former French Caribbean colony that became the world's first black republic at the start of the 19th Century after an epoch-making 1791 slave revolt, has a history of foreign interventions.

From BBC

Yoshiyuki Tokui, a lawyer, praised the ruling as “epoch-making and one that will significantly push forward relief measures for Minamata disease.”

From Seattle Times

She reported from more than 70 countries and witnessed first-hand such epoch-making events as the fall of the Berlin Wall, the first Gulf War and Nelson Mandela's walk to freedom.

From BBC

"ChatGPT is an epoch-making application ... It can draw conclusions from a complicated network of relationships with numerous dimensions in ways human brains cannot," said Steve Chen, partner of Shanghai-based MX Capital.

From Reuters

The Beatles' influence continues to reverberate across the decades since their epoch-making emergence in global culture.

From Salon