Nucleus

{
  "id": "MLC-T-MET-007630",
  "term": "Nucleus",
  "field": "Meteorology and atmospheric science",
  "definition": "A microscopic particle in the atmosphere that serves as a site for the condensation of water vapor or the formation of ice crystals. These particles, often composed of dust, pollen, sea salt, or pollutants, provide a surface for water molecules to accumulate and transition from a gaseous to a liquid or solid phase. The presence and type of nuclei significantly influence cloud formation, droplet size, and precipitation processes.",
  "see_also": [
    "Aitken nucleus"
  ],
  "url": "https://mlchart.com/terminology/meteorology/nucleus/"
}