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aggregate

noun [C or U] (BUILDING STONES)
 
 
/ˈæɡ.rɪ.ɡət/

Definition

small stones used in building: Volumes of aggregates, cement, and concrete used in the UK will rise this year.Building materials
(Definition of aggregate noun (BUILDING STONES) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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