Longman Dictionary of Contemporary English homepage

Topic: CONSTRUCTION

Date: 1300-1400
Language: Old French
Origin: ciment, from Latin caementum 'small pieces of stone used in making mortar', from caedere 'to cut'

cement

1 noun
     
ce‧ment1 [uncountable]
1TBC a grey powder made from lime and clay that becomes hard when it is mixed with water and allowed to dry, and that is used in building [↪ concrete]:
a bag of cement
2DH a thick sticky substance that becomes very hard when it dries and is used for filling holes or sticking things together
Definition of cement from the Longman Dictionary of Contemporary English within
the topic CONSTRUCTION
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