{
  "id": "strain.measurable-degradation",
  "term": "strain",
  "sense": "measurable-degradation",
  "pos": "noun",
  "status": "review",
  "level": 12,
  "arena": "engineering biology economics",
  "domain": "emergent systems",
  "style": "window",
  "definition": "The degradation of output that occurs when a parameter is near the wall of its window, indicating how narrow the current range is compared to what the thing can persist within.",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "window.range",
      "wall.range-end",
      "parameter.condition",
      "narrow.spatial",
      "drift.aimless",
      "near.spatial",
      "range.spatial",
      "compare.relation",
      "persist.continue",
      "occurs.event",
      "current.fluid"
    ],
    "interaction": "The components interact to produce strain as a measurable degradation: when a parameter conditioned by a current drifts near the wall of its persistence window, the narrowness of the current range relative to the full range enables comparison that yields degradation.",
    "novel_properties": [
      "measurable degradation",
      "proximity-induced fragility",
      "comparative range tension"
    ]
  },
  "examples": [
    {
      "text": "The Fukushima nuclear reactors experienced fuel rod strain as cooling parameters approached safety wall limits before meltdown.",
      "domain": "engineering"
    },
    {
      "text": "In 2008, Iceland's banking sector collapsed when leverage ratios drifted near the wall of capital adequacy range.",
      "domain": "economics"
    },
    {
      "text": "E. coli growth in lab cultures shows metabolic strain when pH nears 4.5, the edge of its persistent range.",
      "domain": "biology"
    }
  ],
  "relations": [
    {
      "id": "narrow.spatial",
      "type": "contrasts-with",
      "note": "strain increases as the active range nears a wall; narrow describes a permanently small window"
    },
    {
      "id": "drift.aimless",
      "type": "medium-for",
      "note": "drift can push a parameter into strain"
    },
    {
      "id": "maintenance.upkeep",
      "type": "contrasts-with",
      "note": "maintenance prevents strain; strain indicates failed maintenance"
    }
  ],
  "used_by": [
    "band-aid.upkeep",
    "holding-it-together.upkeep"
  ],
  "forms": [
    "strain",
    "strained",
    "straining",
    "strains"
  ],
  "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": "components",
      "note": "Removed 'windows.opening' as it is not constitutive; added 'current.fluid' as it is essential to the flow-based degradation described."
    },
    "restored": {
      "date": "2026-07-31",
      "from": "Sample/hundred-words-six-terms.md",
      "replaced": "The degradation of output that occurs when a parameter is near the edge of its viable range, indicating how constrained the current state is relative to the full range within which the thing can persi"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-strain.measurable-degradation"
}