IPA: /ˌmækrəʊˈæɡrɪɡeɪtɪd/
KK: /mækroʊˈæɡrɪɡeɪtɪd/
Describing something that has been combined into larger particles or groups.
The soil was macroaggregated, improving its structure and water retention.
Macroaggregated → It is formed from "macro-" (from Greek "makros", meaning large) and "aggregated" (from Latin "aggregare", meaning to gather together). The word describes something that has been gathered together in large clusters or groups.
Think of 'macro-' meaning large, and 'aggregated' meaning gathered together — this helps you remember that 'macroaggregated' refers to large clusters that have been gathered.