coal

{
  "id": "MLC-T-AGR-001373",
  "term": "coal",
  "field": "Agriculture and food",
  "definition": "A readily combustible black or brownish-black rock whose composition, including inherent moisture, consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material. It is formed from plant remains that have been compacted, hardened, chemically altered, and metamorphosed by heat and pressure over geologic time.",
  "subject": "Natural Resources, Conservation, Environment",
  "see_also": [
    "fossil fuels",
    "sedimentary rocks",
    "phytoliths",
    "carbonization",
    "coalbed methane",
    "coal industry",
    "synthetic fuels",
    "anthracite waste",
    "coal mine spoil",
    "coal miners",
    "coal gasification",
    "bitumen",
    "lignite",
    "pulverized coal"
  ],
  "references": [
    "US Environmental Protection Agency",
    "NAL Agricultural Thesaurus and Glossary"
  ],
  "translations": {
    "es": "carbón"
  },
  "url": "https://mlchart.com/terminology/agriculture/coal/"
}