bedrock

{
  "id": "MLC-T-AGR-000656",
  "term": "bedrock",
  "field": "Agriculture and food",
  "definition": "The more or less solid rock is place either on or beneath the surface of the earth. It may be soft or hard and have a smooth or irregular surface.",
  "subject": "Fields of Study",
  "see_also": [
    "rocks",
    "rock flour"
  ],
  "references": [
    "Schwarz, Charles F.; Thor, Edward C.; Elsner, Gary H. 1976. Wildland planning glossary. Gen. Tech. Rep. PSW-13. Berkeley, Calif.: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station",
    "NAL Agricultural Thesaurus and Glossary"
  ],
  "translations": {
    "es": "lecho de roca"
  },
  "url": "https://mlchart.com/terminology/agriculture/bedrock/"
}