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English definition of “concrete”

concrete

adjective     /ˈkɒŋkriːt/
CERTAIN certain or based on facts: concrete evidence/proof Reality and truthCertaintyConfidence and self-assurance
REAL existing in a real form that can be seen or felt: concrete achievements/actions concrete objectsReality and truth
(Definition of concrete adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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