British thermal unit

{
  "id": "MLC-T-ENV-003667",
  "term": "British thermal unit",
  "field": "Environment",
  "definition": "1. A Btu is the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a specified temperature.\n\n2. Unit of heat energy equal to the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit at sea level.\n\n3. The quantity of heat required to raise the temperature of one pound of water one degree of Fahrenheit at or near 39.2 degrees Fahrenheit.\n\n4. The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit. One cubic foot of biogas typically contains about 600 to 800 BTUs of heat energy. By comparison, one cubic foot of natural gas contains about 1,000 BTUs.",
  "abbreviation": "Btu",
  "subject": "Climate change",
  "references": [
    "Heat Island Effect Glossary",
    "Terms of Environment",
    "Greenhouse Gas Emissions",
    "AgSTAR Handbook Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/british-thermal-unit/"
}