{
  "id": "length.spatial",
  "term": "length",
  "sense": "spatial",
  "pos": "noun",
  "status": "review",
  "level": 4,
  "arena": "concept",
  "domain": "everyday",
  "style": null,
  "definition": "how much space between two boundaries of a thing",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "extent.spatial",
      "boundary.limit",
      "space.extent"
    ],
    "interaction": "the boundaries together define an interval of space, which becomes the length",
    "novel_properties": [
      "measured interval",
      "spatial separation",
      "bounded extent"
    ]
  },
  "examples": [
    {
      "text": "The Golden Gate Bridge spans 1.7 miles across the strait connecting San Francisco to Marin County.",
      "domain": "engineering"
    },
    {
      "text": "Proxima Centauri is 4.24 light-years from Earth, the nearest star outside the solar system.",
      "domain": "astronomy"
    },
    {
      "text": "The Amazon River extends 4,345 miles from its source in the Andes to its mouth in the Atlantic.",
      "domain": "geography"
    }
  ],
  "relations": [
    {
      "id": "extent.spatial",
      "note": "is-a",
      "type": "is-a"
    },
    {
      "id": "time.dimension",
      "note": "contrasts-with",
      "type": "contrasts-with"
    }
  ],
  "used_by": [
    "long.size",
    "meters.measurement",
    "miles.measurement",
    "short.length"
  ],
  "forms": [
    "length",
    "lengths"
  ],
  "closed": true,
  "provenance": {
    "author": "openrouter:openai/gpt-oss-120b",
    "date": "2026-07-29",
    "confidence": 0.6,
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "factual",
      "note": "Added missing constitutive concept 'space.extent' (L0) since the definition of length.spatial inherently depends on the notion of space as the ground of spatial separation. Without space, there can be"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-length.spatial"
}