Meaning of “cement” in the English Dictionary

"cement" in British English

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cementnoun [ U ]

uk /sɪˈment/ us /səˈment/

cementverb [ T ]

uk /sɪˈment/ us /səˈment/

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

"cement" in American English

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cementnoun [ U ]

us /sɪˈment/

a gray powder that is mixed with water, sand, and other substances, becomes very hard when dry, and is used in making concrete

Cement also means concrete:

There weren’t any chairs, so she sat on the cement.

cementverb [ T ]

us /sɪˈment/

to attach firmly, or to cover with cement:

The dentist cemented the tooth back in place.

If you cement an agreement or relationship, you make it unlikely to change:

She cemented the sale with a down payment.

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