{
  "id": "bottleneck.constraint",
  "term": "bottleneck",
  "sense": "constraint",
  "pos": "noun",
  "status": "review",
  "level": 8,
  "arena": "system",
  "domain": "emergence",
  "style": "window",
  "definition": "a parameter whose window is narrower than every other parameter's, so it alone sets the system's range",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "parameter.condition",
      "window.range",
      "narrow.spatial",
      "range.spatial",
      "sets.grouped",
      "system.organized",
      "alone.state"
    ],
    "interaction": "The components form a collective comparison of ranges across a structured set, where one limiting range excludes others from determining system boundaries, thereby defining a singular constraint.",
    "novel_properties": [
      "singular limiting factor",
      "relational exclusivity",
      "system-level leverage point"
    ]
  },
  "examples": [
    {
      "text": "The I-35W Mississippi River Bridge collapsed in 2007 due to undersized gusset plates, which alone failed under normal load.",
      "domain": "engineering"
    },
    {
      "text": "In 1977, the Bronx's fire rate spiked when insurance redlining created a funding bottleneck for building upkeep.",
      "domain": "economics"
    },
    {
      "text": "During the 2011 Fukushima disaster, reactor cooling failed when tsunami-damaged pumps became the bottleneck in heat removal.",
      "domain": "physics"
    }
  ],
  "relations": [],
  "used_by": [],
  "forms": [
    "bottleneck",
    "bottlenecks"
  ],
  "closed": false,
  "provenance": {
    "author": "retrofit:qwen/qwen3-235b-a22b-2507",
    "date": "2026-07-29",
    "confidence": 0.8,
    "sources": [
      "Sample/hundred-words-six-terms.md"
    ],
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "factual",
      "note": "Definition corrected for factual accuracy: original implied a geometric or spatial constraint, but bottleneck.constraint is fundamentally about relative range dominance within a system. Added necessar"
    },
    "restored": {
      "date": "2026-07-31",
      "from": "Sample/hundred-words-six-terms.md",
      "replaced": "a parameter whose range is narrower than that of every other parameter in the system, thus uniquely determining the system's operational limits"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-bottleneck.constraint"
}