{
  "id": "fluid.liquid",
  "term": "fluid",
  "sense": "liquid",
  "pos": "noun",
  "status": "review",
  "level": 13,
  "arena": "fluid",
  "domain": "liquid",
  "style": null,
  "definition": "a matter substance that flows together through space",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "matter.substance",
      "flow.movement",
      "space.extent",
      "substance.material"
    ],
    "interaction": "the substance’s parts move together through space, creating a continuous flowing material",
    "novel_properties": [
      "continuous flow",
      "cohesive movement",
      "persistent material form"
    ]
  },
  "examples": [
    {
      "text": "The Mississippi River carries an average of 16,800 cubic meters of water per second past Vicksburg, flowing downstream to the Gulf of Mexico.",
      "domain": "geography"
    },
    {
      "text": "Hydraulic fluid in the braking system of a Boeing 747 transfers force from the pilot's pedal to the brake calipers during landing.",
      "domain": "engineering"
    },
    {
      "text": "Blood plasma circulates 5 liters of dissolved nutrients and gases through an adult human body every minute at rest.",
      "domain": "biology"
    }
  ],
  "relations": [
    {
      "id": "matter.substance",
      "note": "is-a",
      "type": "is-a"
    }
  ],
  "used_by": [
    "heart.organ",
    "liquid.state",
    "water.liquid"
  ],
  "forms": [
    "fluid",
    "fluids"
  ],
  "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 concepts (space.extent, substance.material) referenced in the definition and interaction. These are required for the notion of flowing matter that maintains identity. No cha"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-fluid.liquid"
}