{
  "id": "motion.movement",
  "term": "motion",
  "sense": "movement",
  "pos": "noun",
  "status": "published",
  "level": 2,
  "arena": "E1",
  "domain": "physics",
  "style": null,
  "definition": "Change of place: a thing is here, and after, it is there.",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "change.process",
      "space.extent",
      "time.dimension"
    ],
    "interaction": "Change applied to location over time: the same thing at different places at different times.",
    "novel_properties": [
      "trajectory",
      "velocity",
      "direction"
    ]
  },
  "examples": [
    {
      "text": "The International Space Station orbits Earth every 93 minutes at 28,000 km/h.",
      "domain": "physics"
    },
    {
      "text": "A cheetah accelerates from 0 to 96 km/h in three seconds during a hunt in the Serengeti.",
      "domain": "biology"
    },
    {
      "text": "The Mars Curiosity rover drove 29 kilometers across the Martian surface between 2012 and 2023.",
      "domain": "engineering"
    }
  ],
  "relations": [
    {
      "id": "change.process",
      "type": "is-a",
      "note": "motion is change whose subject is location"
    }
  ],
  "used_by": [
    "abandonment.withdrawal",
    "active.behavioral",
    "approach.spatial",
    "auto.vehicle",
    "brought.past-tense",
    "car.transport",
    "carrying.transporting",
    "channel.waterway",
    "come.arrive",
    "course.path",
    "drive.vehicle",
    "electricity.electrical",
    "engine.tool",
    "enter.spatial",
    "fall.gravity",
    "fast.speed",
    "flow.movement",
    "follows.sequential",
    "foot.body-part",
    "force.push",
    "free.unconstrained",
    "frozen.state",
    "gas.state",
    "go.movement",
    "golf.sport",
    "hand.part",
    "heart.organ",
    "hitting-the-wall.threshold",
    "hold.physical",
    "inertia.resistance",
    "light.visual",
    "mobile.movement",
    "movies.entertainment",
    "open.spatial",
    "post.mail",
    "power.energy",
    "press.force",
    "pushing-the-envelope.frontier",
    "put.placement",
    "reach.spatial",
    "relevance.core",
    "rise.movement",
    "road.transport",
    "run.movement",
    "search.action",
    "send.communication",
    "shipping.transport",
    "speed.motion",
    "sports.activity",
    "step.movement",
    "still.quiet",
    "stop.action",
    "street.path",
    "take.acquisition",
    "track.path",
    "travel.movement",
    "turn.rotational",
    "viable.functional",
    "video.digital",
    "weather.atmospheric",
    "wheel.tool",
    "work.effort",
    "zip.movement"
  ],
  "forms": [
    "motion",
    "move",
    "moved",
    "movement",
    "moves",
    "moving"
  ],
  "closed": true,
  "provenance": {
    "author": "hand",
    "date": "2026-07-29",
    "confidence": 1.0,
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "factual",
      "note": "Added 'time.dimension' as it is essential to the definition of motion as change of place over time; without time, there is no movement. The original record incorrectly omitted it."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-motion.movement"
}