{
  "id": "speed.motion",
  "term": "speed",
  "sense": "motion",
  "pos": "noun",
  "status": "review",
  "level": 6,
  "arena": "measurement",
  "domain": "physics",
  "style": null,
  "definition": "how much motion occurs per unit of time",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "motion.movement",
      "time.dimension",
      "occurs.event",
      "per.ratio",
      "unit.measurement"
    ],
    "interaction": "motion occurs across time, producing a rate of change",
    "novel_properties": [
      "rate of change",
      "quantified motion",
      "temporal intensity"
    ]
  },
  "examples": [
    {
      "text": "The International Space Station orbits Earth at 7.66 km/s, completing 15.5 revolutions per day.",
      "domain": "physics"
    },
    {
      "text": "Usain Bolt reached 44.72 km/h during his 100-meter world record of 9.58 seconds in Berlin.",
      "domain": "sports"
    },
    {
      "text": "The Japanese Shinkansen Nozomi trains travel up to 300 km/h along the Tokaido line between Tokyo and Osaka.",
      "domain": "engineering"
    }
  ],
  "relations": [
    {
      "id": "fast.speed",
      "type": "is-a",
      "note": "speed is a kind of fast"
    }
  ],
  "used_by": [],
  "forms": [
    "speed",
    "speeded",
    "speeding",
    "speeds"
  ],
  "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 occurs.event, per.ratio, and unit.measurement to components to align with the definition's conceptual dependencies."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-speed.motion"
}