Aggregate

{
  "id": "MLC-T-ENV-000738",
  "term": "Aggregate",
  "field": "Environment",
  "definition": "1. A mass or cluster of soil particles, often having a characteristic shape.\n\n2. A coarse material, such as gravel, placed below the slab.\n\n3. A collective term for sand, gravel, and crushed stone mineral materials in their natural or processed state.\n\n4. Natural particles, crushed and broken rock, and man-made materials that are graded by size into categories to meet specifications for particular construction uses.\n\n5. Coarse mineral material (e.g., sand, gravel) that is mixed with either cement to form concrete or tarry hydrocarbons to form asphalt.",
  "subject": "Water",
  "references": [
    "Drinking Water Technical & Legal Terms",
    "RRNC Glossary of Terms",
    "EPA Guidance for Federal Land Management in the Chesapeake Bay Watershed Glossary at http://www.epa.gov/owow_keep/NPS/chesbay502/pdf/chesbay_glossary.pdf; Federal Land Management in the Chesapeake Bay Watershed Glossary",
    "IRS Placer Mining Industry Training 3147-121 (7-99) TPDS No. 83436E at http://www.irs.gov/pub/irs-mssp/placer.pdf",
    "Office of Underground Storage Tanks Technical Terms; Glossary of Technical Terms: Office of Underground Storage Tanks"
  ],
  "url": "https://mlchart.com/terminology/environment/aggregate/"
}