{
  "id": "fall.gravity",
  "term": "fall",
  "sense": "gravity",
  "pos": "verb",
  "status": "review",
  "level": 3,
  "arena": "fall",
  "domain": "verb",
  "style": null,
  "definition": "When a thing moves down in space during time.",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "motion.movement",
      "space.extent",
      "time.dimension"
    ],
    "interaction": "The motion moves the thing down in space during time.",
    "novel_properties": [
      "down motion",
      "no contact",
      "more motion"
    ]
  },
  "examples": [
    {
      "text": "An apple drops from a branch in Isaac Newton's garden at Woolsthorpe Manor in 1666.",
      "domain": "physics"
    },
    {
      "text": "The 2008 collapse of Lehman Brothers accelerated as asset prices fell daily during the financial crisis.",
      "domain": "economics"
    },
    {
      "text": "The Leaning Tower of Pisa tilted further each year before stabilization efforts began in 1990.",
      "domain": "engineering"
    }
  ],
  "relations": [
    {
      "id": "motion.movement",
      "note": "is-a",
      "type": "is-a"
    },
    {
      "id": "rise.movement",
      "note": "contrasts-with",
      "type": "contrasts-with"
    }
  ],
  "used_by": [
    "resource.material"
  ],
  "forms": [
    "fall",
    "fallen",
    "falling",
    "falls",
    "fell"
  ],
  "closed": true,
  "provenance": {
    "author": "openrouter:openai/gpt-oss-120b",
    "date": "2026-07-29",
    "confidence": 0.6
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-fall.gravity"
}