{
  "id": "substance.material",
  "term": "substance",
  "sense": "material",
  "pos": "noun",
  "status": "review",
  "level": 12,
  "arena": "lexicon",
  "domain": "physical",
  "style": "window",
  "definition": "what remains through the drift a window tolerates",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "window.range",
      "drift.aimless",
      "parameter.condition",
      "persist.continue"
    ],
    "interaction": "A parameter's value may drift aimlessly within a range defined by a window; the thing persists as long as the parameter stays within that window, with the opening enabling boundary definition.",
    "novel_properties": [
      "tolerance of drift",
      "persistence through bounded change",
      "window-defined continuity"
    ]
  },
  "examples": [
    {
      "text": "The International Space Station maintains structural integrity despite micrometeoroid impacts and thermal cycling over 25 years in orbit.",
      "domain": "engineering"
    },
    {
      "text": "Glacial ice persists through seasonal melt cycles in Greenland, retaining mass balance only in deep interior regions since 1995.",
      "domain": "geology"
    },
    {
      "text": "The Linux kernel sustains core functionality across hardware changes and software updates since its initial release in 1991.",
      "domain": "computing"
    }
  ],
  "relations": [
    {
      "id": "matter.substance",
      "note": "is-a",
      "type": "is-a"
    }
  ],
  "used_by": [
    "degree.measurement",
    "drug.chemical",
    "fluid.liquid",
    "gas.state",
    "gold.metal",
    "hard.difficulty",
    "jewelry.accessory",
    "liquid.state",
    "log.material",
    "metal.element",
    "oil.fuel",
    "resource.material",
    "rock.material",
    "toys.play",
    "treatment.medical"
  ],
  "forms": [
    "substance",
    "substances"
  ],
  "closed": false,
  "provenance": {
    "author": "openrouter:openai/gpt-oss-120b",
    "date": "2026-07-29",
    "confidence": 0.8,
    "sources": [
      "Sample/abstract-concepts-as-ranges.md"
    ],
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "components",
      "note": "windows.opening added as constitutive; all prior components retained due to reliance in the canonical definition."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-substance.material"
}