Definition of “lifeblood” - English Dictionary

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

“lifeblood” in American English

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lifebloodnoun [ U ]

us /ˈlɑɪfˌblʌd/

the thing that is most important to the continuing success and existence of something else:

Tourism is the lifeblood of Hawaii’s economy.

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

“lifeblood” in Business English

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lifebloodnoun [ S ]

uk /ˈlaɪfblʌd/ us

the most important thing that someone or something needs in order to continue to exist or operate:

Education is the lifeblood of a knowledge-based economy.
She is fantastic at new product development, which is our lifeblood.

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

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