Definition of “watershed” - English Dictionary

“watershed” in British English

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watershednoun

uk /ˈwɔː.tə.ʃed/ us /ˈwɑː.t̬ɚ.ʃed/

watershed noun (BIG CHANGE)

[ S ] an event or period that is important because it represents a big change in how people do or think about something:

The year 1969 was a watershed in her life - she changed her career and remarried.

watershed noun (HIGH GROUND)

[ C ] specialized geography an area of high ground from which water flows down to a river

(Definition of “watershed” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“watershed” in American English

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watershednoun

us /ˈwɔ·t̬ərˌʃed, ˈwɑt̬·ər-/

watershed noun (BIG CHANGE)

[ U ] an event or period that is important because it represents a big change and the start of new developments:

a watershed event/moment
The discovery of penicillin was a watershed in the history of medicine.

watershed noun (AREA)

earth science [ C ] a high area of land where rain collects, some of it flowing down to supply rivers, lakes, etc., at lower levels

(Definition of “watershed” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“watershed” in Business English

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watershednoun [ S ]

uk /ˈwɔːtəʃed/ us

an event or period that is important because it represents a big change in how people do or think about something:

a watershed for sth/sb The buyout was hailed on Wall Street as a watershed for private equity.
a watershed in sth/sb The pay agreement was a watershed in the development of the company's labour relations system.
the watershed

in Britain, the time in the evening, usually 9 pm, after which television programmes that are not suitable for children can be shown:

The script censors say which words can be used before the watershed.
watershed
adjective [ before noun ]

Last year witnessed a watershed change for American business.

(Definition of “watershed” from the Cambridge Business English Dictionary © Cambridge University Press)