{
  "id": "level.spatial",
  "term": "level",
  "sense": "spatial",
  "pos": "noun",
  "status": "review",
  "level": 16,
  "arena": "level",
  "domain": "common",
  "style": null,
  "definition": "a flat surface that is just between its boundaries",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "flat.commonsurfacegeometry",
      "boundary.limit",
      "space.extent",
      "just.exact",
      "surface.exterior"
    ],
    "interaction": "When a flat surface is bounded and coincides exactly with the space it occupies, the surface and boundaries together form a level.",
    "novel_properties": [
      "exact fit between surface and space",
      "bounded flatness",
      "spatial coincidence"
    ]
  },
  "examples": [
    {
      "text": "The surface of Lake Mead remained at 1081 feet elevation for 72 days in 2000, bounded by the Hoover Dam's spillway gates.",
      "domain": "geography"
    },
    {
      "text": "The International Space Station's solar array platform maintains a 45-degree tilt angle relative to Earth's terminator during sun-tracking mode.",
      "domain": "engineering"
    },
    {
      "text": "The floor of the Salar de Uyuni reflects the sky so uniformly because its salt crust forms a level surface over 10,000 square kilometers.",
      "domain": "geology"
    }
  ],
  "relations": [
    {
      "id": "surface.exterior",
      "note": "is-a",
      "type": "is-a"
    },
    {
      "id": "flat.commonsurfacegeometry",
      "note": "abstracts",
      "type": "abstracts"
    }
  ],
  "used_by": [
    "emergent.window",
    "frozen.state",
    "impossibility.unreachable",
    "substrate.level"
  ],
  "forms": [
    "level",
    "leveled",
    "leveling",
    "levelled",
    "levels"
  ],
  "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": "components",
      "note": "Added 'just.exact' and 'surface.exterior' to components as they are constitutive in defining 'just between'—ensuring the flat surface exactly matches its bounded space without overhang or gap."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-level.spatial"
}