Cold frame

{
  "id": "MLC-T-IND-001225",
  "term": "Cold frame",
  "field": "Industrial and trades",
  "definition": "A bottomless, unheated enclosure with a transparent top, typically made of glass or plastic, used to protect plants from cold weather. It functions by trapping solar radiation, creating a microclimate warmer than the outside air. Cold frames extend the growing season and harden off seedlings before transplanting, maintaining temperatures several degrees above ambient.",
  "subject": "Agricultural equipment",
  "translations": {
    "de": "Frühbeet",
    "es": "cama fría",
    "fr": "châssis froid"
  },
  "url": "https://mlchart.com/terminology/industrial/cold-frame/"
}