"light cone" meaning in English

{
  "forms": [
    {
      "form": "light cones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "light cone (plural light cones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Relativity",
          "orig": "en:Relativity",
          "parents": [
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "80 20",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1998, Hermann Bondi, Miranda Weston-Smith, editors, The Universe Unfolding, Clarendon Press, page 384",
          "text": "This gives the future light cone of the event. Similarly, you can define the past light cone—as the history of a spherical shell of light converging in on the event. All these spatial spheres, past and future, represent cross-sections through the space–time light cone, […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In special relativity, the pattern describing the temporal evolution of a flash of light in Minkowski spacetime. This is modeled in 3-space using the two horizontal axes as spatial dimensions, while the vertical axis is time."
      ],
      "id": "en-light_cone-en-noun-hqx94YJj",
      "links": [
        [
          "relativity",
          "relativity"
        ],
        [
          "special relativity",
          "special relativity"
        ],
        [
          "temporal",
          "temporal"
        ],
        [
          "evolution",
          "evolution"
        ],
        [
          "light",
          "light"
        ],
        [
          "Minkowski spacetime",
          "Minkowski spacetime"
        ],
        [
          "modeled",
          "modeled"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "axes",
          "axes"
        ],
        [
          "spatial",
          "spatial"
        ],
        [
          "dimension",
          "dimension"
        ],
        [
          "vertical",
          "vertical"
        ],
        [
          "time",
          "time"
        ]
      ],
      "qualifier": "relativity",
      "raw_glosses": [
        "(relativity) In special relativity, the pattern describing the temporal evolution of a flash of light in Minkowski spacetime. This is modeled in 3-space using the two horizontal axes as spatial dimensions, while the vertical axis is time."
      ],
      "translations": [
        {
          "_dis1": "100 0",
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "Lichtkegel"
        },
        {
          "_dis1": "100 0",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "cone de luz"
        },
        {
          "_dis1": "100 0",
          "code": "ro",
          "lang": "Romanian",
          "sense": "Translations",
          "tags": [
            "neuter"
          ],
          "word": "con de lumină"
        }
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see light, cone."
      ],
      "id": "en-light_cone-en-noun-6pOCDI7-",
      "links": [
        [
          "light",
          "light#English"
        ],
        [
          "cone",
          "cone#English"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "23 77",
          "word": "lightcone"
        }
      ]
    }
  ],
  "wikipedia": [
    "light cone"
  ],
  "word": "light cone"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Translation table header lacks gloss"
  ],
  "forms": [
    {
      "form": "light cones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "light cone (plural light cones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "en:Relativity"
      ],
      "examples": [
        {
          "ref": "1998, Hermann Bondi, Miranda Weston-Smith, editors, The Universe Unfolding, Clarendon Press, page 384",
          "text": "This gives the future light cone of the event. Similarly, you can define the past light cone—as the history of a spherical shell of light converging in on the event. All these spatial spheres, past and future, represent cross-sections through the space–time light cone, […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In special relativity, the pattern describing the temporal evolution of a flash of light in Minkowski spacetime. This is modeled in 3-space using the two horizontal axes as spatial dimensions, while the vertical axis is time."
      ],
      "links": [
        [
          "relativity",
          "relativity"
        ],
        [
          "special relativity",
          "special relativity"
        ],
        [
          "temporal",
          "temporal"
        ],
        [
          "evolution",
          "evolution"
        ],
        [
          "light",
          "light"
        ],
        [
          "Minkowski spacetime",
          "Minkowski spacetime"
        ],
        [
          "modeled",
          "modeled"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "axes",
          "axes"
        ],
        [
          "spatial",
          "spatial"
        ],
        [
          "dimension",
          "dimension"
        ],
        [
          "vertical",
          "vertical"
        ],
        [
          "time",
          "time"
        ]
      ],
      "qualifier": "relativity",
      "raw_glosses": [
        "(relativity) In special relativity, the pattern describing the temporal evolution of a flash of light in Minkowski spacetime. This is modeled in 3-space using the two horizontal axes as spatial dimensions, while the vertical axis is time."
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see light, cone."
      ],
      "links": [
        [
          "light",
          "light#English"
        ],
        [
          "cone",
          "cone#English"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "lightcone"
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "Lichtkegel"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "cone de luz"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "Translations",
      "tags": [
        "neuter"
      ],
      "word": "con de lumină"
    }
  ],
  "wikipedia": [
    "light cone"
  ],
  "word": "light cone"
}